arena vs distaff

arena and distaff both are nouns.

Word	Noun	Adjective	Verb	Adverb
arena	Yes	No	No	No
distaff	Yes	Yes	No	No

As nouns, distaff is a hyponym of arena; that is, distaff is a word with a more specific, narrower meaning than arena:

arena (noun)	distaff (noun)
a playing field where sports events take place	the staff on which wool or flax is wound before spinning
a large structure for open-air sports or entertainments	the sphere of work by women
the central area of an ancient Roman amphitheater where contests and spectacles were held; especially an area that was strewn with sand
a particular environment or walk of life

arena (adjective)	distaff (adjective)
	characteristic of or peculiar to a woman