Fortuitous: accidental Fortitude: strength Forfeit: 丧失 Surfeit：饮食过度 Fomentation：煽动，助长 Fermentation：发酵 Flounder: proceed clumsily Founder: collapse Fractious: 易怒的，好争吵的, hard to handle or control Fractional：部分的，碎片的 Factious: 有派性的 Factitious：人为的，不真实的 Facetious：轻浮的 Fetid: having an offensive smell stinking Fetish: 神物 Fantasy: imaginative fiction Fascinate: be irresistibly attractive Flush: to pour liquid over or through Fluster: upset
Gouge: 半圆凿，敲竹杠 Gauche：笨拙的，不会社交的 Gauge：标准尺寸 Gravel：碎石 Grovel：摇尾乞怜的 Gavel：a mallet used for commanding attention Grove: a small wood Grate: to grind or rub against with a rasping noise Grateful thankful. pleasing Gratify: to afford pleasure to Gratis: without charge or recompense Gratuitous: free charge. unwarranted Gratitude: thankfulness Gamble: 赌博，投机 Gable：山墙 Gambol：跳跃，嬉戏 Gobble: to swallow or eat greedily Gall: vex, harass Gulled: deceive Guile: duplicity Guilt: 罪 Gloss：光泽 Gross：总的，粗野的，整体的
Hypnosis. 催眠术 Hypothesis：假说 Histrionics：演戏 Histology：组织学 Homely：长相一般的 Homily：a lecture of a moral theme Hypercritical :meticulously or excessively critical Hypocritical :not sincerely Halo：光圈 Hale: health, sound ,free from defect, disease
Incision: a cut Incite: start up, stir up Impassioned：感激的，慷慨激昂的 Impassive：不为所动的 Imminence：急迫的 Eminence；卓越的 Ingrate：忘恩负义的 Ingratiate：逢迎，讨好 Insurrection：造反，叛乱 Resurrection：复活