13 Letter Words Ending in M
There are 98 13-letter English words that end in M, ranging alphabetically from ALDOSTERONISM to ZOOSPORANGIUM. Top Scrabble® scorers on this list: HEXAMETHONIUM (30), CHRYSANTHEMUM (28), VENTRILOQUISM (27). The list is ordered alphabetically; use the filter box below to jump to a specific starting letter.
Word list
A
B
C
D
E
F
H
I
M
N
O
P
- PAEDOMORPHISM25 pts
- PARALLELOGRAM18 pts
- PARAMAGNETISM20 pts
- PARTICULARISM19 pts
- PEDESTRIANISM18 pts
- PERFECTIONISM22 pts
- PERICHONDRIUM23 pts
- PHENOMENALISM22 pts
- PHILHELLENISM23 pts
- PHOTOCHROMISM27 pts
- PLETHYSMOGRAM26 pts
- POCOCURANTISM21 pts
- POSTMODERNISM20 pts
- PROGRESSIVISM21 pts
- PROTECTIONISM19 pts
- PROVINCIALISM22 pts
R
S
T
V
Z
Point values shown are Scrabble® (letters only, before board bonuses). Browse deeper via the word-lists hub.
Top 10 highest-scoring words
Scored on letters only (no board bonuses). WWF uses different tile values from Scrabble — J, Q and Z are worth 10 points in WWF; X is worth 8.
| # | Word | Scrabble | WWF |
|---|---|---|---|
| 1 | hexamethonium | 30 | 32 |
| 2 | chrysanthemum | 28 | 30 |
| 3 | ventriloquism | 27 | 32 |
| 4 | zoosporangium | 27 | 32 |
| 5 | exhibitionism | 27 | 29 |
| 6 | homeomorphism | 27 | 29 |
| 7 | photochromism | 27 | 29 |
| 8 | colloquialism | 26 | 32 |
| 9 | mycobacterium | 26 | 31 |
| 10 | plethysmogram | 26 | 29 |
FAQs
How many 13-letter words end in M?
98 valid 13-letter English words end in M in the ENABLE English word list.
Are these valid in Wordle and Scrabble?
Words on this page come from the ENABLE English word list. UK Scrabble (Collins Scrabble Words) accepts the overwhelming majority; a handful may not be legal in the North American NASPA Word List (NWL2023).