Difference between Harmonious and Symphonious

HARMONIOUS vs SYMPHONIOUS: ADJECTIVE

Existing together in harmony
Musically pleasing
Suitable and fitting
Exhibiting accord in feeling or action.
Having component elements pleasingly or appropriately combined.
Characterized by harmony of sound; melodious.
Adapted to each other; having parts proportioned to each other; symmetrical.
Acting together to a common end; agreeing in action or feeling; living in peace and friendship.
Vocally or musically concordant; agreeably consonant; symphonious.
Showing accord in feeling or action.
Melodious; in harmony.
Exhibiting equivalence or correspondence among constituents of an entity or between different entities

Exhibiting harmony or being in harmony; having parts, forms, relations, or proportions properly accordant each with the others, so that all taken together constitute a consistent or an esthetically pleasing whole; also, being in harmony or concord with something else; congruous.
Specifically, in music, concordant; consonant; symphonious; agreeable to the ear. See harmony.
Marked by harmony in action or feeling; acting or living in concord; peaceable; friendly: as, harmonious government; a harmonious family.
Amicable, brotherly, neighborly, cordial.
Synonyms Melodious, dulcet, tuneful.

In music, same as symphonic.
Characterized by symphony, or harmony of sounds; agreeing in sound; accordant; harmonious.

In harmony, Pure, Proportionate, Appropriate, True, Sympathetic, Compatible, Harmonized, Symphonic, Consonant, Harmonic, Symmetrical, Congruent, Balanced, Congruous

In chorus, Subtonic, Sound property, Immusical, Inconsonant, Vox angelica, Sonorific, Untuneful, Unisonous, Unisonant, Euharmonic, Equisonance, Consonous, Symphonic, Harmonious

In harmony, Pure, Proportionate, Appropriate, True, Sympathetic, Compatible, Harmonized, Symphonic, Consonant, Harmonic, Symmetrical, Congruent, Balanced, Congruous

In chorus, Subtonic, Sound property, Immusical, Inconsonant, Vox angelica, Sonorific, Untuneful, Unisonous, Unisonant, Euharmonic, Equisonance, Consonous, Symphonic, Harmonious

The one you choose will look more harmonious.
Australia is a safe, friendly and harmonious country.
Jesus was in true harmonious relationship with God.
Harmonious, well balanced with freshness, candied yellow fruits.
Laura has friendly and harmonious relationships with colleagues.
Traditional couples were less likely to have divorced than Harmonious couples, even though Harmonious couples had higher premarital relationship satisfaction scores.
Thales also taught that the world is harmonious, has a harmonious structure, and thus is intelligible to rational understanding.
Harmonious community and harmonious interpersonal relationships negative beliefs, and enables direct experience, the original scale.
We aim at building a harmonious society and harmonious relationship among neighbours.
A harmonious utterance creates an harmonious atmosphere, and an utterance which is not harmonious creates its own phenomenal world.