One I can't get at all and one I can't fully parse
22ac Hoodlum's a chicken when facing term in Newgate. (6)
_ A _ O _ E
16dn Term for this? Clamber possibly! (8)
_ C _ A _ B _ E
Looks like scramble, especially as it includes aa anagram of 'clamber' but if so, where does the initial 's' come from?