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Sandy
Weekend Genius Challenge #14: The Return of ‘Short But Sweet’
by Sandy - January 5, 2008 - 8:58 AM

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This Weekend Genius Challenge is short but sweet. The five words in the list below have something specific in common. While there are multiple answers to this particular query (for instance, they all contain the letter “i”) only one answer will match ours. If you’re the lucky first to do so, you’ll win a T-shirt of your choice from the mental floss store. The words:

bicentennial, hallucinogen, hitchhiker, reincarnation, unfamiliar.

Answer by commenting below. Please include what style/size of T-shirt you’d like in your response. The correct answer will be revealed Monday, unless we don’t yet have a winner, in which case we’ll add a few words to the list and continue the challenge. Good luck!

Comments (32)
  1. All have a four letter word inside of them.

    Bicentennial - Cent
    Hallucinogen - Hall
    Hitchhiker - Itch
    Reincarnation - Rein
    Unfamiliar - Liar

    That’s all I got.

    Easy as Pi, Women’s, Medium.

  2. I tried to come up with something, and failed … wanted to see the other comments though.

  3. All are spelled using chemical symbols.

    (But I had to look that up!)

    Pluto R.I.P. (M)

  4. Instant flashback to the 70’s for me, although i seriously doubt that was your intent! It was such a strong feeling I had to share it to see if anyone else felt the same. (btw Steph, I don’t recognise those as 4-letter words)

  5. Each include letters MULTIPLE times :

    Hallucinogen - l (2) and n (2)

    Hitchhiker - h (3)

    Reincarnation n(3) a(2) and i (2)

    unfamiliar a (2) i(2)

    Pavlov, long sleeved womans small

  6. Oops!

    Forgot Bicentennial - i (2) e (2) n (2)

    Pavlov, long sleeved womans small

  7. “After ingesting the hallucinogen, the reincarnation of the hitchhiker forgot to celebrate the bicentennial!”"

    don’t know except believe that it is the sets of double letters as mentioned by someone else.

  8. What were the answers to the Weekend Genius Challenge #12 - the 70s music one?

  9. Not sure but it sounds like the plot to Hunter S. Thompson’s last unfinished novel.

  10. Maybe each word involves TWO :

    Bicentennial : two centuries

    Hallucinogen : in addition to the actual drug, one
    assumes there must also be a USER

    Hitchhiker : in addition to the one seeking a ride,
    one again assumes there must also
    be a driver who gives it

    Reincarnation : taking on a second body or form

    unfamiliar : ??????? Darn, I thought I was on to something here , albeit rather farfetched!

    Still, if I am close - I’d like a Pavlov, long sleeved womans small

  11. are they all compound words (of some sort)???

    Mental Floss T-orange-men’s medium

  12. Could it be as easy as…
    they are all words without their first syllable?
    i.e. centennial, lucinogen, hiker, incarnation, familiar.

    Hmm.
    Pluto R.I.P. (W medium)

  13. They all contain the letter “i”?

    Tee hee

  14. All of the words have something to do with change. Going from the known to the unknown, or moving on to something new or different.

  15. They’re all spelled with annoying things:

    Respectively,
    Cent, Hall, Itch, Car, Liar

    and, they all have odd numbers of vowels!

    “RIP Pluto” Men’s Small

  16. They each contain the litter but the quantities skip.
    Bicentennial - 2 ‘i’
    Hallucinogen - 1 ‘i’
    Hitchhiker - 2 ‘i’
    Reincarnation - 1 ‘i’
    Unfamiliar - 2 ‘i’

  17. Never mind - I have lost the ability to cound. Reincarnation has 2

  18. Shot in the dark:

    Guide words in your dictionary.

    Easter Island, Large

  19. They are words that are in the book “A Hitchhikers Guide to the Galaxy”

    Scurvy tee shirt size small

  20. I think they are presented here in the order in which they appear in Thompson’s article, “Fear and Loathing in Las Vegas”. Excellent read, btw.

    Mens Rhesus M

  21. Every one of these word’s entries can be found in column 3 (of 4) of a verso (even-numbered) page of the Merriam-Webster Unabridged Dictionary, 1959 edition.

  22. these words are all a base word with an adjective added to change the meaning..
    centennial + bi
    hallucinate + gen(erate)
    hitch + hiker
    re + incarnation
    un + familiar

  23. These words are all on the SOWPODS list.

    According to Wikipedia, “SOWPODS is a term used to refer to the word list used in tournament Scrabble in all English-speaking countries except the USA, Canada, Thailand and Israel, which use the American Tournament Word List or TWL. ”

    If I am correct, I’d like a mentalfloss logo shirt in orange (Large)

  24. I believe they are all related to Douglas Adams’ “Hitchikers Guide to the Galaxy” if I had to wager a guess.

    If correct I would like the XL- No wrong way to eat a Rhesus - t-shirt.

    Thanks for the outstanding website and books.

  25. Each word has a repeating vowel sound. phonetically speaking.

    no right way to a rhesus as big as you can please

  26. Well, here’s my pathetic solution for this week’s very good puzzle. Each word has exactly two 4-letter words embedded in it, if you read both forwards and backwards and if you also require that the word be able to stand alone (this eliminates “lima” as in “lima bean”).

    bicentennial: cent (Forw.) lain (Backw.)
    hallucinogen: hall (F.) cull (B.)
    hitchhiker: itch (F.) hike (F.)
    reincarnation: rein (F.) inca (F.)
    unfamiliar: liar (F.) rail (B.)

    If by some miracle that is acceptable, then please send Entropy, XL. Tx.

  27. This seems a little far-fetched, but I can’t think of anything, so,
    I think there’s a syllable pattern: 5,5,3,5,5

    Gregor Mendel, Small please

  28. None of these words has a single word anagram. I think that this is what they have in common.

    mentalfloss logo slate Large

  29. This has been consuming my thoughts all weekend. The best I can do-

    they all have an odd/prime number of consonants.

    Idioms, Med wmns.

  30. I think Meri with the third answer is right, and if not, that is the most brilliant answer so far.

  31. this is a long shot but here goes.

    In 1807 Robert Morrison hitched a ride on a British navy ship began missionary work in china, a country known for opium production, a powerful hallucinogen. The Chinese predominate religion is Buddhism, a religion that believes in reincarnation. China was unfamiliar with Christianity.

    Marx XL

  32. I think all of the words make up different words when you take out some letters in the middle.

    Bicentennial - biennial
    Hallucinogen - halogen
    Hitchhiker - hitcher (or hiker)
    Reincarnation - ration
    Unfamiliar - unfair (ok, a bit of a stretch)

    If I’m right, and I’m sure I’m not, I’d like a men’s large Simple As Pi.

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