Difference between Incongruous and Inharmonious

INCONGRUOUS vs INHARMONIOUS: ADJECTIVE

Lacking in harmony; incompatible.
Not in agreement, as with principles; inconsistent.
Not in keeping with what is correct, proper, or logical; inappropriate.
Not congruous; reciprocally disagreeing; not capable of harmonizing or readily assimilating; inharmonious; inappropriate; unsuitable; not fitting; inconsistent; improper
Two numbers, which, with respect to a third, are such that their difference can not be divided by it without a remainder, the two numbers being said to be incongruous with respect to the third; as, twenty and twenty-five are incongruous with respect to four.
Lacking in harmony or compatibility or appropriateness
Not similar or congruent; not matching or fitting in.

In the theory of numbers, not congruent: thus, 7 and 8 are incongruous to the modulus 3, giving different remainders when divided by the modulus.
Not congruous; incapable of reciprocally fitting and agreeing; unsuited or unsuitable; inharmonious.
Consisting of inappropriate parts, or of parts not fitly put together; disjointed: as, an incongruous story.
Synonyms Inconsistent, etc. (see incompatible), unsuitable, unsuited, unfit, inappropriate, ill-matched, out of keeping.

Not harmonious in sentiment, action, or relation; disagreeing; conflicting: as, inharmonious proceedings; inharmonious colors.
Not harmonious in sound; destitute of musical harmony; discordant: as, inharmonious voices; inharmonious verse.

Preposterous, Odd, Unlogical, Out or keeping, Discrepant, Inconsistent, Unreasonable, Inappropriate, Unfitting, Incompatible, Ironical, Illogical, Inharmonious, Ironic, Absurd

Unpeaceful, Cacophonous, Harmonious, Cacophonic, Barbarisms, Off key, Inharmonic, Unresolved, False, Sour, Incongruous, Dissonant, Disharmonious, Unharmonious, Discordant

Preposterous, Odd, Unlogical, Out or keeping, Discrepant, Inconsistent, Unreasonable, Inappropriate, Unfitting, Incompatible, Ironical, Illogical, Inharmonious, Ironic, Absurd

Unpeaceful, Cacophonous, Harmonious, Cacophonic, Barbarisms, Off key, Inharmonic, Unresolved, False, Sour, Incongruous, Dissonant, Disharmonious, Unharmonious, Discordant

This apse presents a narrowing of the space which gives a sense of its being incomplete and inharmonious.
It may be something from racial thought or something from an inharmonious condition in the individual.
Be inharmonious with the area in which it is to be located.
ANT: Inexact, misfitted, disproportioned, illproportioned, untrue, inharmonious, unfair, unreasonable, unsound, dishonorable, partial, unequitable, unjust, irregular, abnormal, disorderly.
No inharmonious or new habitations or improvements permitted.
African Americans were living, because that would run the risk of infiltration by inharmonious racial groups.
Beijing signaled its displeasure over his inharmonious visit and repeated concerns about meddling by external forces.
This kind of work is surely inharmonious with the setting which encloses it.
Inharmonious, of juxtaposed colors, as on tapa or quilt.
An inharmonious sound or combination of sounds; discord.