-K, Broad, Long Stem-words (weak).

Bake,baked.
Croak,croaked.
Hawk,hawked.
Rake,raked.

Make was heretofore maked:

‘For aevric rice man his castles makede.’—Sax. Chron. MCXXXVI.

K wore out, whence

Maked, ma-ed, maed, made.

-K, Short.

Back,backed.
Clack,clacked.

-G, Short.

Beg,begged.
Clog,clogged.