Two letters that vanish right at the start of a word.
knifeNYFE
Silent K before N.
kneeNEE
Silent K before N.
knowNOH
Silent K before N.
knightNYTE
Silent K and silent GH together.
knockNOK
Silent K before N.
gnomeNOHM
Silent G before N.
gnawNAW
Silent G before N.
gnatNAT
Silent G before N.
kneadNEED
Silent K — identical sound to "need".
designdih-ZYNE
Silent G in the middle of the word.