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11 Letter Words Starting With ON

There are 36 valid 11 letter words that start with ON, 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)

onchidiidae - 18 points

UK Scrabble (CSW)

onchidiidae - 18 points

Words With Friends

oncological - 22 points

11 Letter Words (36)

View all words starting with ON

Top 20 Highest-Scoring 11 Letter Words Starting With on

Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 36 word list is 47.5 combined points.

Rank Word US Scrabble UK Scrabble WWF Points Total
#1 onagraceous 14 14 18 46
#2 onboardings 15 15 19 49
#3 onchidiidae 18 18 19 55
#4 oncogeneses 14 14 18 46
#5 oncogenesis 14 14 18 46
#6 oncological 16 16 22 54
#7 oncologists 14 14 18 46
#8 oncosimeter 15 15 18 48
#9 oncoviruses 16 16 20 52
#10 onefoldness 15 15 18 48
#11 oneirically 16 16 19 51
#12 oneirodynia 15 15 16 46
🏆 #13 oneiromancy 18 18 21 57
#14 oneiroscopy 18 18 20 56
#15 onerosities 11 11 12 34
#16 onerousness 11 11 14 36
#17 ongoingness 13 13 18 44
#18 oniscoidean 14 14 17 45
#19 onocentaurs 13 13 17 43
#20 onomastical 15 15 19 49

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 ON will give you far more flexible options try 11 letter words starting with ON for a more practical middle ground.

Frequently Asked Questions

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

oneiromancy — worth 57 combined points (US Scrabble: 18, UK Scrabble: 18, Words With Friends: 21).

How many 11 letter words start with on?

36 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 on words will come up far more often.