partial vs incomplete

partial is a noun but incomplete is not a noun.

Word	Noun	Adjective	Verb	Adverb
partial	Yes	Yes	No	No
incomplete	No	Yes	No	No

partial (noun)	incomplete (noun)
the derivative of a function of two or more variables with respect to a single variable while the other variables are considered to be constant
a harmonic with a frequency that is a multiple of the fundamental frequency

partial (adjective)	incomplete (adjective)
showing favoritism	not complete or total; not completed
constituting or comprising a part or fraction of a possible whole or entirety	not yet finished
(followed by `of' or `to') having a strong preference or liking for
being or affecting only a part; not total