assail vs scald

assail is not a noun while scald is a noun.

Word	Noun	Adjective	Verb	Adverb
assail	No	No	Yes	No
scald	Yes	No	Yes	No

As verbs, scald is a hyponym of assail; that is, scald is a word with a more specific, narrower meaning than assail:

assail (noun)	scald (noun)
	the act of burning with steam or hot water
	a burn cause by hot liquid or steam

assail (verb)	scald (verb)
attack in speech or writing	burn with a hot liquid or steam
attack someone physically or emotionally	heat to the boiling point
launch an attack or assault on; begin hostilities or start warfare with	treat with boiling water
	subject to harsh criticism