somatic sensory system vs somaesthesis

somatic sensory system and somaesthesis both are nouns.

Word	Noun	Adjective	Verb	Adverb
somatic sensory system	Yes	No	No	No
somaesthesis	Yes	No	No	No

As nouns, somatic sensory system and somaesthesis are synonyms defined as:

somatic sensory system and somaesthesis: the faculty of bodily perception; sensory systems associated with the body; includes skin senses and proprioception and the internal organs

somatic sensory system (noun)	somaesthesis (noun)
the faculty of bodily perception; sensory systems associated with the body; includes skin senses and proprioception and the internal organs	the faculty of bodily perception; sensory systems associated with the body; includes skin senses and proprioception and the internal organs