13-Letter Words Containing NOT

There are 21 13-letter words that contain NOT. 5 are common words, such as MONOTONICALLY and NOTARIZATIONS. A rarer one is REHYPNOTIZING. 7 words contain a doubled letter.

Full list 21

monotonicallynotarizationsnoteworthiestnothingnessesnotificationsactinotherapyaluminothermyconnotationalhypnotizationimmunotherapyorganotherapyphenothiazinestephanotiseschronotherapyconnotativelygenotypicallylabanotationsnotablenessesnotionalitiesprotonotariesrehypnotizing

About this list

Words
21 (5 common words)
Common example
monotonically
Rare example
rehypnotizing
Doubled letters
7
Ending in S
8

Questions

How many 13-letter words containing not are there?

21. 5 of them are common words.

What is a common example?

MONOTONICALLY is among the common words in this set.