large-capitalisation vs large-cap

large-capitalisation and large-cap both are adjectives.

Word	Noun	Adjective	Verb	Adverb
large-capitalisation	No	Yes	No	No
large-cap	No	Yes	No	No

As adjectives, large-capitalisation and large-cap are synonyms defined as:

large-capitalisation and large-cap: of stocks of companies with a market capitalization of five billion dollars or more

Other synonyms of large-capitalisation include large-capitalization.

large-capitalisation (adjective)	large-cap (adjective)
of stocks of companies with a market capitalization of five billion dollars or more	of stocks of companies with a market capitalization of five billion dollars or more