irk and kir tie for the highest Scrabble score from irk at 7 points. The top 3 of 3 words are shown here, with the full list organized by length below.
There are 2 three-letter words hiding in irk: one comes from rearranging its letters, and irk itself is already a playable word with no unscrambling required. No common everyday answer stands out among these three-letter results, so let the score decide: the highest-scoring words are irk and kir, each worth 7 points in Scrabble.
Unscrambling irk produces exactly one two-letter word: ki. It is not one of the common answers — a genuine unscrambler find — and it banks 6 points in Scrabble.
Swap a single tile in irk and you get a different three-letter rack with its own word list. None of these appear in the results above — they share 2 of the 3 letters, not all of them.
irk is in the NWL, the official Scrabble word list for North America, and in the Words With Friends dictionary, so it's playable exactly as it stands and needs no unscrambling.
Both totals match, because every tile in irk carries the same value on a Scrabble board and on a Words With Friends board.
Dictionaries record one sense for irk. Scrabble and Words With Friends score tiles and not meanings, so every sense below is worth the same 7 points on a Scrabble board:
irk is one of two three-letter words the same letters produce. No arrangement of the same tiles scores higher in Scrabble, so playing irk unchanged also takes the maximum points these letters offer.
The highest-scoring plays from these letters are irk and kir, worth 7 points in Scrabble, and nothing else built from irk earns more points in Scrabble. Words With Friends prices the same letters differently, so the top of the list changes on a Words With Friends board. Both scores count tile values only and exclude premium squares.
The letters in irk produce 3 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 2 three-letter words and 1 two-letter word.