13-Letter Words Matching _O______S____

There are 50 13-letter words that match _O______S____. 20 are common words, such as BOUNDLESSNESS and BOUNTEOUSNESS. A rarer one is TOOTHBRUSHING. In this set, S is the most frequent open letter (46 words). 36 words contain a doubled letter.

Full list 50

Common words

boundlessnessbounteousnesscolorlessnessconsciousnesscourteousnessgovernorshipshorsemanshipsmomentousnessmountainsidesnoiselessnessnonaggressionnonexplosives
boundlessnessbounteousnesscolorlessnessconsciousnesscourteousnessgovernorshipshorsemanshipsmomentousnessmountainsidesnoiselessnessnonaggressionnonexplosivesnonsuccessivepointlessnessponderousnesspowerlessnesstortoiseshellvoicelessnessvoraciousnessworthlessnesscongruousnesscontrabassoondoubtlessnesslowerclassmanmonstrousnessnonaggressivenonpersistentnonporousnessnonreversiblenonsubmissivepostclassicalpostpubescentcoauthorshipsconsumershipscontrabassistcoprocessingsfollowershipsforestaysailshouselessnesslowerclassmennonadmissionsnondiffusiblenoninclusionsnonpermissivenonpossessionnormotensivespolyribosomalpolyribosomespostrecessiontoothbrushing

About this list

Words
50 (20 common words)
Common example
boundlessness
Rare example
toothbrushing
Doubled letters
36
Ending in S
31
Most frequent letter
S (46)

Questions

How many 13-letter words matching _o______s____ are there?

50. 20 of them are common words.

What is a common example?

BOUNDLESSNESS is among the common words in this set.