BEGNOWS

Make words with S

Never: plural or third-person -S

Missed: SONE NEWS (not plural! Thx @JB)

BOSON BOSS GEESE GESSO GOOSE NEWNESS NONSENSE NOOSE NOSE OBESE OBSESS ONENESS SEEN SENSE SEWN SNOB SNOW SONG SOON SOWN SWOON WOEBEGONENESS

Pangrams: WOEBEGONENESS

score: 97