Silent initial consonants in English are: wr{ite,ong,ist,ap,eck,est,estle,iggle,inkle,ath,aith,eath,angle,en,ight,ought,ing,it,ithe,y}; kn{ow,ife,ock,ee,ight,ob,ot,it,ack,out,uckle}; ps{ychology,alm,eudo,ychic,ionics}; gn{aw,ash,ome,u,at}; pneumatic; mnemonic; chthonic; phthisis; bdellium.