14-Letter Words Matching R_T___________

There are 21 14-letter words that match R_T___________. 6 are common words, such as RATIOCINATIONS and RETROGRESSIONS. A rarer one is RITUALIZATIONS. 7 words contain a doubled letter.

Full list 21

ratiocinationsretrogressionsretrospectionsretrospectivesrutherfordiumsruthlessnessesrationalnessesretinoblastomaretransmissionretransmittingretrogradationrationalizableretiringnessesretractilitiesretransferringretransformingretranslationsretrievabilityretroflectionsretroreflectorritualizations

About this list

Words
21 (6 common words)
Common example
ratiocinations
Rare example
ritualizations
Doubled letters
7
Ending in S
12

Questions

How many 14-letter words matching r_t___________ are there?

21. 6 of them are common words.

What is a common example?

RATIOCINATIONS is among the common words in this set.