thought process vs thinking

thought process and thinking both are nouns.

Word	Noun	Adjective	Verb	Adverb
thought process	Yes	No	No	No
thinking	Yes	Yes	No	No

As nouns, thought process and thinking are synonyms defined as:

thought process and thinking: the process of using your mind to consider something carefully

Other synonyms of thought process include cerebration, intellection, mentation, thought.

thought process (noun)	thinking (noun)
the process of using your mind to consider something carefully	the process of using your mind to consider something carefully

thought process (adjective)	thinking (adjective)
	endowed with the capacity to reason