15-Letter Words Containing RH

There are 15 15-letter words that contain RH. 2 are common words, such as SLAUGHTERHOUSES and UNDERHANDEDNESS. A rarer one is TACHYARRHYTHMIA. 6 words contain a doubled letter.

Full list 15

slaughterhousesunderhandednessornithorhynchusrhombencephalonstaphylorrhaphysuperheterodynetenderheartedlyantiarrhythmicsclearheadednessoverhomogenizedoverhomogenizesposthemorrhagicrheumatologistssuperhumanitiestachyarrhythmia

About this list

Words
15 (2 common words)
Common example
slaughterhouses
Rare example
tachyarrhythmia
Doubled letters
6
Ending in S
8

Questions

How many 15-letter words containing rh are there?

15. 2 of them are common words.

What is a common example?

SLAUGHTERHOUSES is among the common words in this set.