7-letter words with I as the 1st letter and M as the 6th letter

15 7-letter words with I first and M sixth match the pattern, including ISOZYME, the group’s top scorer at 21 points.

15 wordsTop pick INFORMSHighest score ISOZYME 21

1 of 15 are everyday words (7%). Mostly rare words: great for Scrabble, tough for daily puzzles.

With I in 1st place, E is the most common 6th letter (189 words). The bar under each letter shows the size of its list.

  • Length
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15

Best words to play first 15 · most-used first

  • INFORMS12
  • INFLAME12
  • IRKSOME13
  • ISOZYME21
  • ISONOMY12
  • INSEAMS9
  • IMBALMS13
  • INDIUMS10
  • INFIRMS12
  • INSEEMS9
  • IODISMS10
  • IONIUMS9
  • ISODOMA10
  • ISOGAMY13
  • ISONOME9
All valid words 15

A to Z. Includes rare and Collins-only words. Linked tiles open the word's meaning, score and rhymes.

  • IMBALMS13
  • INDIUMS10
  • INFIRMS12
  • INFLAME12
  • INFORMS12
  • INSEAMS9
  • INSEEMS9
  • IODISMS10
  • IONIUMS9
  • IRKSOME13
  • ISODOMA10
  • ISOGAMY13
  • ISONOME9
  • ISONOMY12
  • ISOZYME21
Letters by positionIn 53% of these words the 7th letter is S.
2nd letter
  1. N40%
  2. S33%
  3. O13%
3rd letter
  1. O33%
  2. F20%
  3. D13%
4th letter
  1. I27%
  2. E13%
  3. N13%
5th letter
  1. O27%
  2. A20%
  3. U13%
7th letter
  1. S53%
  2. E27%
  3. Y13%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses
WordScrabbleWords With FriendsDictionaries
ISOZYME2121All three
IRKSOME1314All three
IMBALMS1317All three
ISOGAMY1314All three
INFORMS1214All three
INFLAME1215All three
ISONOMY1213All three
INFIRMS1214All three
INDIUMS1013All three
IODISMS1011All three
ISODOMA1011Collins only
INSEAMS911All three

The pattern is I _ _ _ _ M _, so the first and sixth positions are fixed while the other five letters do the work. The 15 matches range from familiar forms such as INFORMS and INFLAME to less everyday entries such as ISOZYME and ISONOME. Only one counts as common by the frequency measure used for this list, so expect a handful of specialist vocabulary.

The I-and-M pattern in brief

  • Exactly 15 tournament-dictionary words begin with I and place M in the sixth position.
  • ISOZYME leads the scoring list at 21 points; IRKSOME, IMBALMS, and ISOGAMY each score 13.
  • Eight matches end in S, while four end in E, two in Y, and one in A.
  • Collins includes 15 matches; ENABLE and NWL2023 each include 12.
  • The average score across the 15 is 11.6.

Which words fit I in the first spot and M in the sixth?

INFORMS and INFLAME are easy starting points because their letter patterns are readable at a glance. IRKSOME is another recognizable option, while ISOZYME stands out for both its unusual spelling and its 21-point score. Those examples show why the open positions matter: the fixed I and M still leave room for sharply different word shapes.

The ending distribution gives a practical next filter. Try S first, since eight of the 15 words finish that way; if the final tile is E, four candidates remain. Y narrows the group to two, and A leaves only one.

Don’t assume every word ending in S is a plural: the matches also include forms such as INFORMS and IODISMS.

How to use 7-letter words with I first and M sixth

Start by checking the final letter, then test the remaining spaces against recognizable chunks. INFORMS and INFIRMS share the opening INF and finish with S; INSEAMS and INSEEMS also share a close shape. That kind of comparison can catch a candidate when you know several letters but are unsure about the vowel sequence.

For a score-focused play, ISOZYME is the standout at 21 points. IRKSOME, IMBALMS, and ISOGAMY each score 13, while INFORMS, INFLAME, ISONOMY, and INFIRMS score 12. The list’s average score is 11.6, so ISOZYME is an outlier rather than a typical result.

Dictionary coverage is worth checking before you commit: Collins has three more matches than either ENABLE or NWL2023. The source counts do not identify which specific entries differ, so don’t treat a word’s presence in one list as proof it appears in another.

Questions people ask

What is the highest-scoring 7-letter word with I first and M sixth?
ISOZYME is the highest scorer, with 21 points. IRKSOME, IMBALMS, and ISOGAMY follow at 13 points each. ISOZYME is also an unusual-looking entry, so check the word list used in your game before playing it.
How many of these words end in S?
Eight of the 15 matches end in S. Examples include INFORMS, INSEAMS, and IODISMS. If your final letter is known to be S, use that ending to narrow the pattern before testing the middle letters.
Are all 15 words accepted in ENABLE and NWL2023?
No. Collins lists 15 matches, while ENABLE and NWL2023 each list 12. The totals do not show which individual words differ between dictionaries, so check your game’s word list when acceptance matters.

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