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15-Letter Words Starting With MO

  • 42 words
  • All English dictionaries
  • Scrabble points
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All 15-Letter Words Starting With MO 42 words

How common is MO at the start of fifteen-letter words?

Our combined English word list has 42 fifteen-letter words that start with MO. They average 23.5 points, the best is MONOPHTHONGIZED (36 points) and 61.9% end in S.

Total words
42
Average Scrabble score
23.5
out of 36 max
Everyday words
0%
common in ordinary English
Most common ending
S
61.9% of words

Most common last letters

  • s 61.9%
  • y 16.7%
  • d 7.1%

Top vowel pairs

  • ou26.2%
  • io9.5%
  • ai7.1%

Share of words where these two vowels sit side by side.

Rare words worth knowing

Valid in this dictionary but rarely seen in everyday English.

Highest-scoring fifteen-letter word that starts with MO

m 3o 1n 1o 1p 3h 4t 1h 4o 1n 1g 2i 1z 10e 1d 2

M 3 + O 1 + N 1 + O 1 + P 3 + H 4 + T 1 + H 4 + O 1 + N 1 + G 2 + I 1 + Z 10 + E 1 + D 2 = 36 points

Double word
72 pts
Triple word
108 pts

Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).

monophthongized

No dictionary definition on file. This is a valid game word that standard dictionaries rarely cover.

  • Scrabble US
  • Scrabble UK
  • Words With Friends

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15-Letter Words Starting With MO FAQ

How many fifteen-letter words that start with MO are there?

There are 42 fifteen-letter words that start with MO in our combined English word list. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.

What is the highest-scoring fifteen-letter word that starts with MO?

MONOPHTHONGIZED is worth 36 points in Scrabble before any bonus squares. Other strong options are MONOPHTHONGIZES (35), MORPHOPHONEMICS (31), MONOSPECIFICITY (29).

Which rare fifteen-letter words that start with MO score well?

Uncommon but valid choices include MONOPHTHONGIZED (36), MONOPHTHONGIZES (35), MONOSPECIFICITY (29), MONUMENTALIZING (29). Few players know them, so they can catch an opponent off guard.