soft roe vs milt

soft roe and milt both are nouns.

Word	Noun	Adjective	Verb	Adverb
soft roe	Yes	No	No	No
milt	Yes	No	No	No

As nouns, soft roe and milt are synonyms defined as:

soft roe and milt: fish sperm or sperm-filled reproductive gland; having a creamy texture

soft roe (noun)	milt (noun)
fish sperm or sperm-filled reproductive gland; having a creamy texture	seminal fluid produced by male fish
	fish sperm or sperm-filled reproductive gland; having a creamy texture