left over vs odd

left over and odd both are adjectives.

Word	Noun	Adjective	Verb	Adverb
left over	No	Yes	No	No
odd	No	Yes	No	No

As adjectives, left over and odd are synonyms defined as:

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

left over (adjective)	odd (adjective)
not used up	not divisible by two
	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