sense datum vs esthesis

sense datum and esthesis both are nouns.

Word	Noun	Adjective	Verb	Adverb
sense datum	Yes	No	No	No
esthesis	Yes	No	No	No

As nouns, sense datum and esthesis are synonyms defined as:

sense datum and esthesis: an unelaborated elementary awareness of stimulation

Other synonyms of sense datum include aesthesis, sensation, sense experience, sense impression.

sense datum (noun)	esthesis (noun)
an unelaborated elementary awareness of stimulation	an unelaborated elementary awareness of stimulation