Penu, to predominate, to specify
Penwag, a. empty headed: n. a herring
Penwan, a. weak-headed
Penwendid, n. weakness of head
Penwisg, n. a head dress
Penwn, n. a banner, a standard
Penwyn, Penwen, a. white headed: n. bald buzzarb
Penwyni, n. whiteness of head
Penyd, n. atonement, penance
Penydiad, n. a doing penance