13-Letter Words Matching ____T___S____

There are 32 13-letter words that match ____T___S____. 20 are common words, such as AMBITIOUSNESS and BOUNTEOUSNESS. A rarer one is PSITTACOSISES. In this set, S is the most frequent open letter (31 words). 25 words contain a doubled letter.

Full list 32

Common words

ambitiousnessbounteousnessbumptiousnesscourteousnessdauntlessnessfacetiousnessfaultlessnessfractiousnessfruitlessnessheartlessnessimpetuousnesslimitlessness
ambitiousnessbounteousnessbumptiousnesscourteousnessdauntlessnessfacetiousnessfaultlessnessfractiousnessfruitlessnessheartlessnessimpetuousnesslimitlessnessmountainsidespointlessnessrelationshipsrighteousnessshiftlessnesssportscasterssumptuousnessuninterestingsportscastingbeauteousnessdoubtlessnessmonstrousnessseditiousnesssightlessnessvexatiousnessbiostatisticscoauthorshipsguiltlessnessplenteousnesspsittacosises

About this list

Words
32 (20 common words)
Common example
ambitiousness
Rare example
psittacosises
Doubled letters
25
Ending in S
30
Most frequent letter
S (31)

Questions

How many 13-letter words matching ____t___s____ are there?

32. 20 of them are common words.

What is a common example?

AMBITIOUSNESS is among the common words in this set.