disdainfully vs contemptuously

disdainfully and contemptuously both are adverbs.

Word	Noun	Adjective	Verb	Adverb
disdainfully	No	No	No	Yes
contemptuously	No	No	No	Yes

As adverbs, disdainfully and contemptuously are synonyms defined as:

disdainfully and contemptuously: without respect; in a disdainful manner

Other synonyms of disdainfully include contumeliously, scornfully.

disdainfully (adverb)	contemptuously (adverb)
without respect; in a disdainful manner	without respect; in a disdainful manner
in a proud and domineering manner