The word 
is a valid scrabble word
3 short excerpts of WikWik.org (WikWik is an online database of words defined in the English, French, Spanish, Italian, and other Wiktionnaries.)
- iff conj. (Mathematics, logic) Short for if and only if.
- iff conj. Obsolete spelling of if.
- IFF prop.n. Initialism of Interchange File Format, a file format standard developed for Amiga computers.
18 valid words from 3 definitions
AMIGA AND COMPUTERS DEVELOPED FILE FOR FORMAT IF INITIALISM INTERCHANGE LOGIC MATHEMATICS OBSOLETE OF ONLY SHORT SPELLING STANDARD
One word in word (Word found as is inside the word.)
4 cousins (New words found by changing only one letter.)
One lipogram (New word found when removing only one letter.)
6 suffixes (New words found by adding one or more letters at the end of the word.)
IFFY IFFIER IFFILY IFFIEST IFFINESS IFFINESSES
409 times in the middle (New words found by adding letters in front and at the end of the word.)
BIFFO BIFFS BIFFY DIFFS JIFFS JIFFY MIFFS MIFFY NIFFS NIFFY RIFFS TIFFS VIFFS ZIFFS BIFFED BIFFER BIFFIN BIFFOS CLIFFS CLIFFY COIFFE DIFFER GLIFFS GRIFFE GRIFFS MIFFED NIFFED NIFFER PIFFLE QUIFFS RIFFED RIFFLE SIFFLE SKIFFS SNIFFS SNIFFY SPIFFS SPIFFY STIFFS STIFFY TIFFED TIFFIN VIFFED WHIFFS WHIFFY BIFFERS BIFFIES BIFFING BIFFINS CHIFFON + 359 words
44 prefixes (New words found by adding one or more letters in front of the word.)
BIFF DIFF JIFF KIFF MIFF NIFF RIFF TIFF VIFF ZIFF CLIFF GLIFF GRIFF QUIFF SKIFF SNIFF SPIFF STIFF TRIFF WHIFF GONIFF SCLIFF SKLIFF SPLIFF SQUIFF TARIFF BAILIFF CAITIFF MASTIFF MIDRIFF PONTIFF RESTIFF SHERIFF DANDRIFF NONTARIFF PLAINTIFF SEMISTIFF SKEWWHIFF BUMBAILIFF HIPPOGRIFF UNDERCLIFF BULLMASTIFF COPLAINTIFF UNDERSHERIFF
14 anagrams plus one (New words formed with all the letters from the word plus a letter.)
+B BIFF
+D DIFF
+E FIEF FIFE
+I FIFI
+J JIFF
+K KIFF
+M MIFF
+N NIFF
+R RIFF
+T TIFF
+V VIFF
+Y IFFY
+Z ZIFF
One anagram minus one (New word formed with all the letters from the word minus a letter.)
-F IF
Scrabble scoring
- 9 points.
Probability in scrabble (Probability to draw 7 letters at the beginning of the game to build the word.)
- Joker allowed, 1 in 79.7 chance (1.26%).
- Joker not allowed, 1 in 513 chance (0.19%).
Other languages
Categories without words
- No words-in-word RTL (Word found written from right to left, inside the word.)
- No anagrams (Word found by changing the order of the letters.)
- No epentheses (Word found when adding only one letter.)
Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
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Recommended websites
- Visit WikWik.org - the word
is in the WikWik, see all the details (4 definitions). - www.BestWordList.com to create personalized word lists.
- www.BestWordClub.com to play duplicate online scrabble.
- Ortograf.ws to look for words.
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