10-Letter Words Containing TUM

There are 22 10-letter words that contain TUM. 11 are common words, such as ARBORETUMS and BITUMINOUS. A rarer one is TUMULTUARY. 2 words contain a doubled letter.

Full list 22

arboretumsbituminouspetrolatumpostpartumsubstratumtumbledowntumbleweedtumescencetumiditiestumultuousultimatumsargumentumbituminizecostumierstumblebugsasphaltumsautumnallyequisetumsimpostumesstumblebumtumblerfultumultuary

About this list

Words
22 (11 common words)
Common example
arboretums
Rare example
tumultuary
Doubled letters
2
Ending in S
10

Questions

How many 10-letter words containing tum are there?

22. 11 of them are common words.

What is a common example?

ARBORETUMS is among the common words in this set.