sentiment vs thought

sentiment and thought both are nouns.

Word	Noun	Adjective	Verb	Adverb
sentiment	Yes	No	No	No
thought	Yes	No	No	No

As nouns, sentiment and thought are synonyms defined as:

sentiment and thought: a personal belief or judgment that is not founded on proof or certainty

Other synonyms of sentiment include opinion, persuasion, view.

sentiment (noun)	thought (noun)
a personal belief or judgment that is not founded on proof or certainty	the process of using your mind to consider something carefully
tender, romantic, or nostalgic feeling or emotion	the content of cognition; the main thing you are thinking about
	the organized beliefs of a period or group or individual
	a personal belief or judgment that is not founded on proof or certainty