congealment vs congelation

congealment and congelation both are nouns.

Word	Noun	Adjective	Verb	Adverb
congealment	Yes	No	No	No
congelation	Yes	No	No	No

As nouns, congealment and congelation are synonyms defined as:

congealment and congelation: the process of congealing; solidification by (or as if by) freezing

congealment (noun)	congelation (noun)
the process of congealing; solidification by (or as if by) freezing	the process of congealing; solidification by (or as if by) freezing