inverted vs upside-down

inverted and upside-down both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inverted	No	Yes	No	No
upside-down	No	Yes	No	No

As adjectives, inverted and upside-down are synonyms defined as:

inverted and upside-down: being in such a position that top and bottom are reversed

inverted (adjective)	upside-down (adjective)
(of a plant ovule) completely inverted; turned back 180 degrees on its stalk	being in such a position that top and bottom are reversed
being in such a position that top and bottom are reversed