12-Letter Words Matching ______OS____

There are 57 12-letter words that match ______OS____. 9 are common words, such as ELECTROSCOPE and ELECTROSHOCK. A rarer one is TRYPANOSOMES. In this set, E is the most frequent open letter (42 words). 10 words contain a doubled letter.

Full list 57

Common words

electroscopeelectroshockforeclosureskaleidoscopeoscilloscopepaternostersspectroscopespectroscopytyrannosaursapotheosizedapotheosizesbackcrossing
electroscopeelectroshockforeclosureskaleidoscopeoscilloscopepaternostersspectroscopespectroscopytyrannosaursapotheosizedapotheosizesbackcrossingbasidiosporebronchoscopebronchoscopydecomposablefissirostralgalvanoscopehypoglossalsichthyosaursintercostalsinterposablelaryngoscopepyrognosticsschistosomessiphonostelesuperposablesynchroscopeteleutosporetracheostomytransposableurethroscopeanorthositesanorthositicarabinosidesbabesiosisesbronchospasmcerebrosidesdeuterostomeerythrosinesgalactosemiagalactosemicgalactosidesgangliosideslaryngoscopymacrofossilsmicrofossilsphotomosaicspollenosisespollinosisespteridospermschistosomalsphingosinessynaptosomalsynaptosomestestcrossingtrypanosomes

About this list

Words
57 (9 common words)
Common example
electroscope
Rare example
trypanosomes
Doubled letters
10
Ending in S
24
Most frequent letter
E (42)

Questions

How many 12-letter words matching ______os____ are there?

57. 9 of them are common words.

What is a common example?

ELECTROSCOPE is among the common words in this set.