springer vs springing cow

springer and springing cow both are nouns.

Word	Noun	Adjective	Verb	Adverb
springer	Yes	No	No	No
springing cow	Yes	No	No	No

As nouns, springer and springing cow are synonyms defined as:

springer (noun)	springing cow (noun)
a cow about to give birth	a cow about to give birth
a large spaniel with wavy silky coat usually black or liver and white
the lowest stone in an arch -- from which it springs