partial vs biased

partial is a noun but biased is not a noun.

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

partial (noun)	biased (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)	biased (adjective)
showing favoritism	favoring one person or side over another
constituting or comprising a part or fraction of a possible whole or entirety
(followed by `of' or `to') having a strong preference or liking for
being or affecting only a part; not total