large vs gravid

large is a noun but gravid is not a noun.

Word	Noun	Adjective	Verb	Adverb
large	Yes	Yes	No	Yes
gravid	No	Yes	No	No

As adjectives, large and gravid are synonyms defined as:

Other synonyms of large include big, enceinte, expectant, great, heavy, with child.

large (noun)	gravid (noun)
a garment size for a large person

large (adjective)	gravid (adjective)
above average in size or number or quantity or magnitude or extent	in an advanced stage of pregnancy
having broad power and range and scope
conspicuous in position or importance
generous and understanding and tolerant
in an advanced stage of pregnancy
ostentatiously lofty in style
fairly large or important in effect; influential

large (adverb)	gravid (adverb)
with the wind abaft the beam
at a distance, wide of something (as of a mark)
in a boastful manner