10-Letter Words Matching ____TR____

There are 121 10-letter words that match ____TR____. 56 are common words, such as AIRSTRIKES and APOSTROPHE. A rarer one is XENOTROPIC. In this set, E is the most frequent open letter (95 words). 11 words contain a doubled letter.

Full list 121

Common words

airstrikesapostrophearbitragedarbitragerarbitragesarbitratedarbitratesarbitratoraviatricesaviatrixesbacktracksbowstrings
airstrikesapostrophearbitragedarbitragerarbitragesarbitratedarbitratesarbitratoraviatricesaviatrixesbacktracksbowstringschartreusecicatricescicatrixesconstrainsconstraintconstrictsconstructsconstruingcountrymancountrymencourtroomsdowntrendselectricalelectrodeselectronicexpatriateeyestrainsfiretrucksfrustratedfrustrateshamstringskeystrokesmenstruatemidstreamsminstrelsymonstranceoutstretchparatroopspenetrablepenetratedpenetratespinstripedpinstripesprostratedprostratesracetracksrepatriatesidetrackssightreadssubstratessubstratumsunstrokestheatricaltightropesallotropesallotropicanastropheantitradesantitragusautotrophsbacitracincicatrizedcicatrizesconstringeelectrojetemmetropiaeolotropicepistrophefrustraterguestroomsidiotropicisentropiclipotropiclipotropinnightriderovertrumpspenetraliapenetrancepoultrymanpoultrymenreentrancespectrallyairstreamsanestrusesarbitrableautotrophyauxotrophsauxotrophyazeotropesclostridiacountryishdiestruseselectroingeupatridaeeyestringsheretricesheretrixesheritricesheritrixesimpetratedimpetrateskeystrokedlimitrophemenstruumsmisstrikesmonotremesoutstridesovertradedovertradesovertrainsovertreatsovertrickspenetrantsreentrantsseastrandssemitropicsweltriestveratrinesxenotropic

About this list

Words
121 (56 common words)
Common example
airstrikes
Rare example
xenotropic
Doubled letters
11
Ending in S
61
Most frequent letter
E (95)

Questions

How many 10-letter words matching ____tr____ are there?

121. 56 of them are common words.

What is a common example?

AIRSTRIKES is among the common words in this set.