thromboplastin vs thrombokinase

thromboplastin and thrombokinase both are nouns.

Word	Noun	Adjective	Verb	Adverb
thromboplastin	Yes	No	No	No
thrombokinase	Yes	No	No	No

As nouns, thromboplastin and thrombokinase are synonyms defined as:

thromboplastin and thrombokinase: an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot

Other synonyms of thromboplastin include factor III.

thromboplastin (noun)	thrombokinase (noun)
an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot	an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot