unexpended vs odd

unexpended and odd both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unexpended	No	Yes	No	No
odd	No	Yes	No	No

As adjectives, unexpended and odd are synonyms defined as:

Other synonyms of unexpended include left, left over, leftover, remaining.

unexpended (adjective)	odd (adjective)
not used up	not divisible by two
(of financial resources) not spent	an indefinite quantity more than that specified
	of the remaining member of a pair
	beyond or deviating from the usual or expected
	not used up
	not easily explained