guideline vs counselling

guideline and counselling both are nouns.

Word	Noun	Adjective	Verb	Adverb
guideline	Yes	No	No	No
counselling	Yes	No	No	No

As nouns, counselling is a hypernym of guideline; that is, counselling is a word with a broader meaning than guideline:

guideline: a detailed plan or explanation to guide you in setting standards or determining a course of action
counselling: something that provides direction or advice as to a decision or course of action

Other hypernyms of guideline include plan, program, programme, counsel, counseling, direction, guidance.

guideline (noun)	counselling (noun)
a rule or principle that provides guidance to appropriate behavior	something that provides direction or advice as to a decision or course of action
a detailed plan or explanation to guide you in setting standards or determining a course of action
a light line that is used in lettering to help align the letters