disproportion vs dissymmetry

disproportion and dissymmetry both are nouns.

Word	Noun	Adjective	Verb	Adverb
disproportion	Yes	No	No	No
dissymmetry	Yes	No	No	No

As nouns, disproportion and dissymmetry are synonyms defined as:

disproportion and dissymmetry: lack of proportion; imbalance among the parts of something

Other synonyms of disproportion include imbalance.

disproportion (noun)	dissymmetry (noun)
lack of proportion; imbalance among the parts of something	lack of proportion; imbalance among the parts of something