Noun

(familiarities)

The state of being extremely friendly; intimacy.

*, II.8:

It is also folly and injustice to deprive childrenof their fathers familiaritie , and ever to shew them a surly, austere, grim, and disdainefull countenance, hoping thereby to keepe them in awfull feare and duteous obedience.

Undue intimacy; inappropriate informality, impertinence.

* 1927 , G K Chesterton, The Return of Don Quixote , p.5:

Murrel did not in the least object to being called a monkey, yet he always felt a slight distaste when Julian Archer called him one.It had to do with a fine shade between familiarity and intimacy which men like Murrel are never ready to disregard, however ready they may be to black their faces.

An instance of familiar behaviour.

Close or habitual acquaintance with someone or something; understanding or recognition acquired from experience.

Noun

(proficiencies)

Ability, skill, competence.

a test of proficiency in English

to attain (or to reach) proficiency

* {{quote-news

, year=2012 , date=April 26 , author=Tasha Robinson , title=Film: Reviews: The Pirates! Band Of Misfits : , work=The Onion AV Club citation , page= , passage=But Pirates! comes with all the usual Aardman strengths intact, particularly the sense that its characters and creators alike are too good-hearted and sweet to nitpick. The ambition is all in the craft rather than in the storytelling, but it’s hard to say no to the proficiency of that craft, or the mild good cheer behind it. }}