odd vs left over

odd and left over both are adjectives.

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

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

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

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