mendicancy vs begging

mendicancy and begging both are nouns.

Word	Noun	Adjective	Verb	Adverb
mendicancy	Yes	No	No	No
begging	Yes	No	No	No

As nouns, mendicancy and begging are synonyms defined as:

mendicancy and begging: a solicitation for money or food (especially in the street by an apparently penniless person)

Other synonyms of mendicancy include beggary.

mendicancy (noun)	begging (noun)
a solicitation for money or food (especially in the street by an apparently penniless person)	a solicitation for money or food (especially in the street by an apparently penniless person)
the state of being a beggar or mendicant