Five familiar proverbs are hidden in this square of 169 letters.

RENOWNEDTHANW
SYOURCAKEANDA
STETOBEFEARHR
EARKSSPOILEAF
LEOOHERSNTDVO
OTMOTLINOHTEU
NOSCALAGMEHIR
SNIYGORSOBATS
ENGNENOTSRNPA
IAOAMOOTSOAEW
RCDEVILAHTDAS
OUOYNOILDAECA
TCIVREHHTAHEZ

The proverbs are arranged in a regular sequence.

[Solution]

37. OF DOUBTFUL WORTH

A fair ———, though ——— and frayed,
The critic ——— to own,
And it might interest the trade
If ——— by some one known.

The missing words are spelt with the same six letters.

[Solution]

38

In his ——— days, as when he was young,
The ——— indulges in ——— of tongue.