15-Letter Words Matching R____________T_

There are 12 15-letter words that match R____________T_. 3 are common words, such as RADIOTHERAPISTS and RECOMMENCEMENTS. A rarer one is RHEUMATOLOGISTS. 1 words contain a doubled letter.

Full list 12

radiotherapistsrecommencementsrelinquishmentsreconcilabilityreproducibilityradiobiologistsrecognizabilityrememberabilityrepudiationistsreservationistsrestrictionistsrheumatologists

About this list

Words
12 (3 common words)
Common example
radiotherapists
Rare example
rheumatologists
Doubled letters
1
Ending in S
8

Questions

How many 15-letter words matching r____________t_ are there?

12. 3 of them are common words.

What is a common example?

RADIOTHERAPISTS is among the common words in this set.