harmonic vs partial

harmonic and partial both are nouns.

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

As nouns, partial is a hyponym of harmonic; that is, partial is a word with a more specific, narrower meaning than harmonic:

harmonic: a tone that is a component of a complex sound
partial: a harmonic with a frequency that is a multiple of the fundamental frequency

Other hyponyms of harmonic include first harmonic, fundamental, fundamental frequency, overtone, partial tone.

harmonic (noun)	partial (noun)
any of a series of musical tones whose frequencies are integral multiples of the frequency of a fundamental	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 tone that is a component of a complex sound	a harmonic with a frequency that is a multiple of the fundamental frequency

harmonic (adjective)	partial (adjective)
of or relating to harmony as distinct from melody and rhythm	showing favoritism
of or relating to the branch of acoustics that studies the composition of musical sounds	constituting or comprising a part or fraction of a possible whole or entirety
of or relating to harmonics	(followed by `of' or `to') having a strong preference or liking for
involving or characterized by harmony	being or affecting only a part; not total
relating to vibrations that occur as a result of vibrations in a nearby body