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11 Letter Words Starting With IS

There are 128 valid 11 letter words that start with IS, drawn from NWL2023, CSW24, and Words With Friends. Sorted below by score, with the single highest scorer called out.

Highest Scoring 11-Letter Words

US Scrabble (NWL)

ischiopubic - 22 points

UK Scrabble (CSW)

ischiopubic - 22 points

Words With Friends

ischiopubic - 26 points

11 Letter Words (128)

View all words starting with IS

Top 20 Highest-Scoring 11 Letter Words Starting With is

Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 128 word list is 51.8 combined points.

Rank Word US Scrabble UK Scrabble WWF Points Total
#1 isabellines 13 13 17 43
#2 isaconitine 13 13 16 42
#3 isadelphous 17 17 19 53
#4 isallobaric 15 15 19 49
#5 isallotherm 16 16 18 50
#6 isanomalous 13 13 17 43
#7 isapostolic 15 15 18 48
#8 iscariotism 15 15 17 47
#9 ischiadicus 19 19 21 59
#10 ischidrosis 17 17 17 51
#11 ischioiliac 18 18 20 56
🏆 #12 ischiopubic 22 22 26 70
#13 ischiopubis 20 20 23 63
#14 ischocholia 21 21 22 64
#15 ischuretics 18 18 20 56
#16 isenthalpic 18 18 21 57
#17 isepiptesis 15 15 17 47
#18 isethionate 14 14 14 42
#19 ishmaelitic 18 18 20 56
#20 isinglasses 12 12 15 39

Where 11 Letter Words Fit on the Board

At 11 letters, a word almost always uses your entire rack plus tiles already on the board these are realistically bingo-adjacent plays rather than everyday moves, which is why the list leans heavily on compound and suffixed forms (-nesses, -ation, -izing). If you're looking for words you can play more often, shorter lengths starting with IS will give you far more flexible options try 11 letter words starting with IS for a more practical middle ground.

Frequently Asked Questions

What is the highest-scoring 11 letter word starting with is?

ischiopubic — worth 70 combined points (US Scrabble: 22, UK Scrabble: 22, Words With Friends: 26).

How many 11 letter words start with is?

128 valid words, combining entries from NWL2023, CSW24, and the Words With Friends dictionary.

Are 11 letter words realistic to actually play?

Only occasionally — you'd need most of your rack plus letters already on the board to reach 11 tiles. They're worth knowing for the rare bingo-extension play, but for regular turns, shorter is words will come up far more often.