familiarity

About 4.54 uses per million words.

Meaning

1. noun The state of being extremely friendly; intimacy.
2. noun Undue intimacy; inappropriate informality, impertinence.
3. noun An instance of familiar behaviour.
4. noun Close or habitual acquaintance with someone or something; understanding or recognition acquired from experience.

Similar words

acquaintance conversance conversancy closeness intimacy casualness liberty indecorum impropriety familiarisation

Often followed by

with of and in that is which to breeds

Word family

familiarities