"agreste" and many others
agelessagonizeegotistignitesigneous
ifag
agreeagreementegretogle
agree
startling
iguana
Igloo. Ogres. Agent. Agree. Again.
the silent letter is g.
the Hunger Games
leggoos
Agency, agenda, agents and eggnog are 6 letter words. The 2nd letter is g and the 4th letter is n.