inverted comma vs quotation mark

inverted comma and quotation mark both are nouns.

Word	Noun	Adjective	Verb	Adverb
inverted comma	Yes	No	No	No
quotation mark	Yes	No	No	No

As nouns, inverted comma and quotation mark are synonyms defined as:

inverted comma and quotation mark: a punctuation mark used to attribute the enclosed text to someone else

Other synonyms of inverted comma include quote.

inverted comma (noun)	quotation mark (noun)
a punctuation mark used to attribute the enclosed text to someone else	a punctuation mark used to attribute the enclosed text to someone else