9-Letter Words Matching ____TR___

There are 149 9-letter words that match ____TR___. 57 are common words, such as AIRSTRIKE and AIRSTRIPS. A rarer one is WHITTRETS. In this set, S is the most frequent open letter (110 words). 26 words contain a doubled letter.

Full list 149

Common words

airstrikeairstripsalbatrossangstromsantitrustarbitragearbitraryarbitrateawestruckaxletreesbacktrackbigotries
airstrikeairstripsalbatrossangstromsantitrustarbitragearbitraryarbitrateawestruckaxletreesbacktrackbigotriesbowstringcicatriceclaptrapsconstrainconstrictconstructconstruedconstruescountriescourtroomdowntrendelectrifyelectrodeelectronseyestrainfiretrapsfiretruckfrustratehamstringhamstrungkeystrokemenstrualmidstreamminstrelsmonstrousoutstripsoutstriptpenetratepinstripeplectrumspositronspoultriesprostrateracetrackreentriesshoetreessidetracksightreadspectrumssubstratasubstratesunstroketemptresstheatricstightropeairstreamallotropeallotropyarbitressautotrophautotruckazeotropebedstrawsbetatronsbevatronschantresschantriescicatrizeconstrualdenitratedenitrifydevitrifydioptricselectricselectrumsgauntriesguestroomhalftrackhemitropeimpetratejanitressjointressklystronslapstrakemenstruummesotronsngultrumsovertradeovertrainovertrickovertrumpparatrooppeartreespenetrantphratriesplectronsprestressrooftreesveratrineagentriesanestrousauxotrophbourtreescalutronscoistrelscoistrilscopatronscryotronsdiestrousdiestrumsdynatronselectresselectretselectroedeupatridshelotriesignitronskenotronslivetrapsmisstrikemisstruckmonotremenegatronsoutstrideoutstrodeovertreatovertrimsphiltringplastronsplastrumspliotronsposttrialprestrikepsaltriesreentrantrobotriessceptringseastrandsunstrucksweltriertraitresstrictracsunmitringveratriasveratrinsveratrumswhittrets

About this list

Words
149 (57 common words)
Common example
airstrike
Rare example
whittrets
Doubled letters
26
Ending in S
72
Most frequent letter
S (110)

Questions

How many 9-letter words matching ____tr___ are there?

149. 57 of them are common words.

What is a common example?

AIRSTRIKE is among the common words in this set.