ichneumon

(also ichneumon-fly) n small insect that lays its eggs in or on the larva of another insect 姬蜂（小昆虫, 产卵於另一昆虫之蛹中或蛹上）.

ice-breaker, ice-cap, ice-cold, ice-cream, ice-cube, ice-fall, ice-field, ice-floe, ice-free, ice-pack, ice-pick, ice-rink, ice-show, ice-skate, ice-skating, ice-tray, ice-water, iceberg, icebox, Iceland, ichthyologist, ICI, icicle, icily, iciness, icing, icing sugar, icon, icon (also ikon), iconoclasm, iconoclast, iconoclastic, icy, id, ID card, idea, ideal, idealism, idealist, idealistic,