10-Letter Words Matching ______R_M_

There are 40 10-letter words that match ______R_M_. 18 are common words, such as ANTISERUMS and BREADCRUMB. A rarer one is UNDERBRIMS. 4 words contain a doubled letter.

Full list 40

Common words

antiserumsbreadcrumbcablegramscentigramscolostrumsconundrumsdeprogramshectogramshippodromehistogramsmaelstromsmammograms
antiserumsbreadcrumbcablegramscentigramscolostrumsconundrumsdeprogramshectogramshippodromehistogramsmaelstromsmammogramsmilligramsmonochromepalindromepentagramsradiogramsreprogramsangiogramsauxochromecytochromehemachromeindecorumskissogramsmicrogramsphonogramsphotodramapictogramspolychromepolychromypyrethrumsquadriremetetragramsundertrumpaudiogramscladogramsphotogramsscalogramssociogramsunderbrims

About this list

Words
40 (18 common words)
Common example
antiserums
Rare example
underbrims
Doubled letters
4
Ending in S
28

Questions

How many 10-letter words matching ______r_m_ are there?

40. 18 of them are common words.

What is a common example?

ANTISERUMS is among the common words in this set.