Silent g
g is silent in the spelling sequence gm or gn. Like
phlegm
gnarl
champagne
sign
gnat
gnaw
Silent h
h is silent in the spelling sequence gh and in the word-final position. Like:
ghost
ghetto
aghast
ghastly
ah, eh, oh
Silent k
k is always silent in the word-initial spelling sequence kn. Like:
kneel
knee
knob
knight
knave
knowledge
knife
knock
Read full article