15-Letter Words Ending in SM

There are 55 15-letter words that end in SM. 10 are common words, such as CONSERVATIONISM and COSMOPOLITANISM. A rarer one is ULTRALIBERALISM. In this set, I is the most frequent open letter (55 words). 6 words contain a doubled letter.

Full list 55

Common words

conservationismcosmopolitanismhumanitarianismhyperthyroidismintellectualisminterventionismmultilingualismphotojournalismprofessionalismtotalitarianismanticlericalismanticolonialism
conservationismcosmopolitanismhumanitarianismhyperthyroidismintellectualisminterventionismmultilingualismphotojournalismprofessionalismtotalitarianismanticlericalismanticolonialismconventionalismdepartmentalismecclesiasticismentrepreneurismepiscopalianismexperientialismexperimentalismhereditarianismhermaphroditismhypopituitarisminstrumentalismmajoritarianismmetropolitanismmultilateralismpresbyterianismpresentationismpreservationismresurrectionismstereoisomerismsublapsarianismsupernaturalismsuperpatriotismthromboembolismubiquitarianismanthropopathismantimaterialismantirationalismantiromanticismassimilationismconfessionalismenantiomorphismequalitarianismfutilitarianismgovernmentalismhypercatabolismhyperinsulinismhypermetabolismhyperparasitismneoconservatismsemicolonialismsuperparasitismthermoperiodismultraliberalism

About this list

Words
55 (10 common words)
Common example
conservationism
Rare example
ultraliberalism
Doubled letters
6
Ending in S
0
Most frequent letter
I (55)

Questions

How many 15-letter words ending in sm are there?

55. 10 of them are common words.

What is a common example?

CONSERVATIONISM is among the common words in this set.