Answer:
I can be long or short. I can be grown or bought. I can be painted or left bare. My tip can be round or square. (one word)
My first 2 letters signify a male. My first 3 letters signify a female. My first 4 letters signify a great. I signify a great woman. What word am I?
I go inside boots and outside shoes.
Alone I am 24th with a friend I am 20. Another friend and I am unclean.
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair.
What scientists might call your pooch.