synovia vs synovial fluid

synovia and synovial fluid both are nouns.

Word	Noun	Adjective	Verb	Adverb
synovia	Yes	No	No	No
synovial fluid	Yes	No	No	No

As nouns, synovia and synovial fluid are synonyms defined as:

synovia and synovial fluid: viscid lubricating fluid secreted by the membrane lining joints and tendon sheaths etc.

synovia (noun)	synovial fluid (noun)
viscid lubricating fluid secreted by the membrane lining joints and tendon sheaths etc.	viscid lubricating fluid secreted by the membrane lining joints and tendon sheaths etc.