Clue: Six here playing a part with Tudor women (11,4)
Answer: PORTMANTEAU WORD
Explanation: Definition: Six here
An anagram ('playing') of 'a part' plus 'Tudor women'. There are six answers here which migt be described as portmanteau words (11A OXBRIDGE, 12A BEEFCAKE, 15A NAPALM, 1D CHORTLE, 13D FRANGLAIS and 20D CHILLAX).