10-Letter Words Matching ____S_T___

There are 65 10-letter words that match ____S_T___. 31 are common words, such as ACCUSATION and ACCUSATIVE. A rarer one is ZYGOSITIES. In this set, I is the most frequent open letter (56 words). 19 words contain a doubled letter.

Full list 65

Common words

accusationaccusativeaccusatoryappositelyappositionappositivebabysittercreosotingdepositingdepositiondepositorsdepository
accusationaccusativeaccusatoryappositelyappositionappositivebabysittercreosotingdepositingdepositiondepositorsdepositoryexpositionexpositorsexpositoryimpositionjocositiesoppositelyoppositionpacesetterparasitismpoinsettiaporositiesrepositoryrevisitingsparsitiestransitingtransitiontransitivetransitorytypesetterbonesetterchrysotilecrassitudedepositaryexcusatoryglossotomyparasitizerepositionequisetumsexpositingexpositivefilmsetterglossatorsgulositieslanositiesmorositiesmucositiesnodositiesobtusitiesotiositiesparasitiseparasitoidpilositiespoussettedpoussettesramositiesrepositingrimositiesrugositiesserositiestorositiesvenositiesvinositieszygosities

About this list

Words
65 (31 common words)
Common example
accusation
Rare example
zygosities
Doubled letters
19
Ending in S
24
Most frequent letter
I (56)

Questions

How many 10-letter words matching ____s_t___ are there?

65. 31 of them are common words.

What is a common example?

ACCUSATION is among the common words in this set.