15-Letter Words Matching ___T_R_________

There are 37 15-letter words that match ___T_R_________. 13 are common words, such as BACTERIOLOGICAL and BACTERIOLOGISTS. A rarer one is WESTERNISATIONS. In this set, S is the most frequent open letter (34 words). 14 words contain a doubled letter.

Full list 37

Common words

bacteriologicalbacteriologistsbastardizationsdastardlinessesdexterousnessesfraternizationshistoriographerpicturesquenesspreternaturallytatterdemalionsventuresomenessventurousnesses
bacteriologicalbacteriologistsbastardizationsdastardlinessesdexterousnessesfraternizationshistoriographerpicturesquenesspreternaturallytatterdemalionsventuresomenessventurousnesseswesternizationscontortionistichistoriographicbacteriophagiesbittersweetnessdeuteranomaliesdeuteranomalouserythropoietinsfilterabilitiesglutaraldehydeshysterectomizedmasterfulnessesmultiracialismsphotoreceptionsphotoreductionspictorialnessespostirradiationpostproductionsposttransfusionpreterminationsquatercentenaryrapturousnessessinterabilitiessubterraneouslywesternisations

About this list

Words
37 (13 common words)
Common example
bacteriological
Rare example
westernisations
Doubled letters
14
Ending in S
27
Most frequent letter
S (34)

Questions

How many 15-letter words matching ___t_r_________ are there?

37. 13 of them are common words.

What is a common example?

BACTERIOLOGICAL is among the common words in this set.