7 Letter Words Starting With IS
There are 57 seven-letter words beginning with IS in the Collins Scrabble Words list, led by isozyme (21 pts). Browse the ranked list below or filter it with the finder.
7 Letter Words Starting With IS
About These 7-Letter Words
Below are all 57 seven-letter words beginning with IS from the Collins dictionary. Having them in one place saves time when a prefix or the board fixes your opening letter.
Highest-scoring picks
On points, the strongest play here is isozyme at 21. Other high scorers include ischium (14), isopach (14), and isthmic (14). Because every word is exactly seven letters, any of them can score a bingo when you empty your rack in a single turn.
How these words break down
Out of 57 words, 1 use a high-value tile (J, Q, X or Z), 1 end in -ING and 1 end in -ED, and 3 have a double letter.
Where you can play them
These come from the Collins word list; 40 are also valid in Words With Friends, and 42 appear in the North American list (NWL/TWL). Use the dictionary selector in the finder to match the exact game you are playing.
By default the words are ranked by points; switch to A–Z or Z–A with the buttons above, or filter by your letters using the finder.
FAQs - 7 Letter Words Starting with IS
How many 7-letter words start with IS?
There are 57 seven-letter words that start with IS in the Collins Scrabble Words dictionary used on this site.
What is the highest-scoring 7-letter word that starts with IS?
Isozyme scores 21 points, the highest on this page. Playing all seven tiles at once also earns a 50-point bingo bonus in Scrabble.
How is this list of words ordered?
By Scrabble score, highest first. Use the Points, A–Z and Z–A controls above the word list to change the order.
Are 7-letter words that start with IS valid in Words With Friends?
40 of the 57 are also valid in Words With Friends. Switch the dictionary in the finder to see only those.
What are some good 7-letter words that start with IS?
Examples include isozyme, ischium, isleman, and islemen.
Are these words allowed in Scrabble in North America?
42 of them are also in the North American list (NWL/TWL); the rest are Collins-only.