soleus muscle vs soleus

soleus muscle and soleus both are nouns.

Word	Noun	Adjective	Verb	Adverb
soleus muscle	Yes	No	No	No
soleus	Yes	No	No	No

As nouns, soleus muscle and soleus are synonyms defined as:

soleus muscle and soleus: a broad flat muscle in the calf of the leg under the gastrocnemius muscle

soleus muscle (noun)	soleus (noun)
a broad flat muscle in the calf of the leg under the gastrocnemius muscle	a broad flat muscle in the calf of the leg under the gastrocnemius muscle