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14-Letter Words Starting With ISO

  • 14 words
  • All English dictionaries
  • Scrabble points
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All 14-Letter Words Starting With ISO 14 words

How common is ISO at the start of fourteen-letter words?

Our combined English word list has 14 fourteen-letter words that start with ISO. They average 22.2 points, the best is ISOCARBOXAZIDS (35 points) and 78.6% end in S.

Total words
14
Average Scrabble score
22.2
out of 35 max
Everyday words
0%
common in ordinary English
Most common ending
S
78.6% of words

Most common last letters

  • s 78.6%
  • y 14.3%
  • l 7.1%

Top vowel pairs

  • eo14.3%
  • ie14.3%
  • io14.3%

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 fourteen-letter word that starts with ISO

i 1s 1o 1c 3a 1r 1b 3o 1x 8a 1z 10i 1d 2s 1

I 1 + S 1 + O 1 + C 3 + A 1 + R 1 + B 3 + O 1 + X 8 + A 1 + Z 10 + I 1 + D 2 + S 1 = 35 points

Double word
70 pts
Triple word
105 pts

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

isocarboxazids

Form of isocarboxazid

  1. nouna monoamine oxidase inhibitor (trade name Marplan) that is used to treat clinical depression
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How many fourteen-letter words that start with ISO are there?

There are 14 fourteen-letter words that start with ISO 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 fourteen-letter word that starts with ISO?

ISOCARBOXAZIDS is worth 35 points in Scrabble before any bonus squares. Other strong options are ISOALLOXAZINES (30), ISOMORPHICALLY (26), ISOMERIZATIONS (25).

Which rare fourteen-letter words that start with ISO score well?

Uncommon but valid choices include ISOCARBOXAZIDS (35), ISOALLOXAZINES (30), ISOMORPHICALLY (26), ISOMERIZATIONS (25). Few players know them, so they can catch an opponent off guard.