IFF is a valid Scrabble word — 9 points
Yes. IFF is accepted by every list we check: Collins, the North American lists and Words with Friends. It scores 9 points in Scrabble and 9 in Words with Friends.
Which word lists accept IFF?
| Official Scrabble Players DictionaryUSA, Canada, Thailand | Valid |
|---|---|
| Official Tournament and Club Word ListUSA, Canada, Thailand | Valid |
| Collins Scrabble WordsEnglish in most countries | Valid |
| Words with FriendsZynga word list | Valid |
Word power: 62 / 100
Our own measure of how useful IFF is to know. It scores 9 from 3 tiles, takes 11 hooks, and its letters make up 4.3% of the bag. How this number is calculated
Hooks for IFF
Back hooks — 1
iffyChecked against OSPD, TWL, CSW, WWF.
How IFF scores
Face value of the 3 tiles in IFF, before any board multiplier.
Tiles you need
| Letter | Needed | In the bag |
|---|---|---|
| i | 1 | 9 |
| f | 2 | 2 |
Drawing exactly these 3 tiles as an opening rack: 1 in 17,967.
What does IFF mean in Scrabble?
conjunction
technical
If and only if — in logic and mathematics.
Iff is a written word and nothing else: nobody says it, because in speech it cannot be told apart from the shorter one. It was coined in the 1950s to save a phrase that mathematicians write constantly, and the doubled letter does the work of six words.
How IFF is used
Chiefly written, in logic and mathematics. Not used in speech.
- The statement holds iff the set is finite.
- A proof of iff needs both directions shown separately.
- He wrote iff and the typesetter corrected it to if.
- The word iff is read aloud as the whole phrase.
- Two conditions joined by iff stand or fall together.
Written for this site: 1 meaning of IFF and 5 example sentences, not copied from a published dictionary.
Words starting with IFF
6 longer words begin with IFF.
Words ending in IFF
Showing 24 of 44 words that end in IFF. Useful as a back hook: play IFF onto a word already on the board.
Words with IFF inside
Showing 24 of 415 words that contain IFF somewhere in the middle. Words that start with IFF are listed separately above, so nothing is repeated.
Shorter words from the letters in IFF
Common questions about IFF
- Is IFF valid in Words with Friends?
- Yes. Words with Friends accepts IFF, where it scores 9 points. That game keeps its own list, separate from the Scrabble dictionaries.
- How many points is IFF worth?
- IFF is worth 9 points in Scrabble and 9 points in Words with Friends.
- What does IFF mean?
- If and only if — in logic and mathematics.
- What letters can be added to IFF?
- IFF takes 11 hooks: 10 in front and 1 at the end.
Every word you can build from the 3 letters of IFF:
Open IFF in the Word Finder