Yorkshire Post Crossword

[hempsall]

2 left that have me stumped. Any help gretefully appreciated.
26a Gain mastery over clergyman in pronouncedly dim surroundings (7)
P*E*A** I'm thinking prevail
23d Class constantly use fine-grained material (4) ***Y
If 26a is prevail then the 2nd letter in 23d is L

[slaney]

26a Yes, P(rev)ail - pail sounds like pale.

[hempsall]

Thanks slaney. I'm thinking that 23d will be clay then.

[slaney]

Yes
Cl=class and Ay(e) forever

[Layces]

Prevail ('rev' in 'pail' -which sounds like 'pale')

[hempsall]

thanks very much to you both for your help. I can send it off now.