Words That Start With IS

Q: How many words that start with IS are there?

There are 494 words that start with IS in our combined English word list. The most common length is 9 letters, with 101 words. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.

Q: What is the highest-scoring word that starts with IS?

ISOCARBOXAZIDS is worth 35 points in Scrabble before any bonus squares. Other strong options are ISOCARBOXAZID (34), ISOALLOXAZINES (30), ISOALLOXAZINE (29).

Q: What are some common words that start with IS?

Everyday examples include IS , ISOLATE , ISSUE , ISOLATION , ISLAND , ISSUING , ISOLATING , ISSUED . Sort the list by "Most common" to see the familiar words first.

Q: What is the longest word that starts with IS?

ISOELECTRONICALLY has 17 letters. If you prefer a word people actually use, ISLANDERS (9 letters) is the longest common one.

494 words
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Popular Words That Start With IS

The most familiar words on this list, with their Scrabble scores.

All Words That Start With IS 494 words · page 2 of 3

How common is IS at the start of words?

Our combined English word list has 494 words that start with IS. Most are 9 letters long, they average 13.6 points, the best is ISOCARBOXAZIDS (35 points) and 40.7% end in S.

Total words: 494
Most common length: 9 letters; 101 words
Average Scrabble score: 13.6; out of 35 max
Longest word: ISOELECTRONICALLY; 17 letters
Most common ending: S; 40.7% of words

Most common last letters

s 40.7%
c 13%
e 11.9%

Top vowel pairs

ia5.7%
ie3.6%
ei3.4%

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 word that starts with IS

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

nouna monoamine oxidase inhibitor (trade name Marplan) that is used to treat clinical depression

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Words That Start With IS FAQ

How many words that start with IS are there?

There are 494 words that start with IS in our combined English word list. The most common length is 9 letters, with 101 words. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.

What is the highest-scoring word that starts with IS?

ISOCARBOXAZIDS is worth 35 points in Scrabble before any bonus squares. Other strong options are ISOCARBOXAZID (34), ISOALLOXAZINES (30), ISOALLOXAZINE (29).

What are some common words that start with IS?

Everyday examples include IS, ISOLATE, ISSUE, ISOLATION, ISLAND, ISSUING, ISOLATING, ISSUED. Sort the list by "Most common" to see the familiar words first.

What is the longest word that starts with IS?

ISOELECTRONICALLY has 17 letters. If you prefer a word people actually use, ISLANDERS (9 letters) is the longest common one.