Letter: f
- fungus disease, abnormality, affection, affliction, ailment, allergy, atrophy, birth defect, blight, cardiovascular disease, complaint, complication, condition, defect, deficiency disease, deformity

- fungus, aerobic bacteria, amoeba, amphibian, anaerobe, anaerobic bacteria, angiosperm, annual, aquatic plant, bacillus, bacteria, bacterium, benign tumour, biennial, blast, blight

- funicular, baggage train, cable railway, capillary, cog railway, electric, electric train, elevated, express, express train, fibred, fibroid, fibrous, flier, flossy, freight

- funk hole, asylum, bunker, cache, cave, concealment, corner, cover, covert, cranny, cubbyhole, den, dugout, earth, fallout shelter, foxhole

- funk out, back out, boggle, chicken, falter, funk, scuttle, skedaddle

- funk, Milquetoast, abject fear, affright, alarm, awe, baby, back out, big baby, blench, blink, blue funk, boggle, change colour, chicken, chicken liver

- funkiness, mildew, must, mustiness, stuffiness

- funking, afraid, chicken, cowardly, cowed, daunted, dismayed, faint-hearted, fearful, funky, intimidated, mousy, panicky, sissified, sissy, soft

- funky, afraid, bad, bad-smelling, blue, chicken, chickenhearted, coward, cowardly, cowed, daunted, dismayed, faecal, faint-hearted, fearful, foetid

- funnel chest, alveolus, basin, bowl, cavity, concavity, crater, crypt, cup, depression, dip, fold, follicle, hole, hollow, lacuna

- funnel, approach, asymptote, bottleneck, canalize, carry, catheter, centralize, centre, channel, channelize, chimney, close, close in, close up, close with

- funnel-breasted, cavernous, concave, cupped, hollow, retiring, retreating, sunk, sunken

- funnel-chested, cavernous, concave, cupped, hollow, retiring, retreating, sunk, sunken

- funnel-shaped, cavernous, concave, cupped, hollow, retiring, retreating, sunk, sunken

- funnies, animated cartoon, caricature, cartoon, comic

- funniness, absurdity, brilliance, cleverness, comedy, eccentricity, facetiousness, hilarity, humour, incongruity, jocularity, joking, keenness, pleasantry, pungency, sharpness

- funny feeling, feeling, foreboding, hunch, impression, intimation, intuition, misgiving, premonition, presentiment, qualm, sensation, suspicion

- funny story, fun, gag, howler, jape, jest, joke, laugh, panic, play, point, riot, scream, sport, story, wheeze

- funny, abnormal, absurd, amusing, anomalous, antic, biting, bizarre, brilliant, clever, comic, comical, crank, cranky, crotchety, curious

- fur farm, barnyard, collective farm, croft, demesne, dude ranch, fallow, farm, farmland, farmstead, grange, grassland, hacienda, homestead, kibbutz, location

- fur salon, apothecary, book store, chemist, cigar store, clothier, confectionery, florist, haberdashery, pharmacy, speciality shop, sweet shop, thrift shop, tobacconist

- fur, achievement, animal charge, argent, armorial bearings, armoury, arms, azure, bandeau, bar, bar sinister, baton, bearings, bearskin, beaver, bend

- furbelow, beading, binding, bordering, edging, flounce, frill, frilling, fringe, hem, list, motif, ruffle, selvage, skirting, trimming

- furbish up, brush up, embellish, fix, freshen, furbish, polish, renovate, repair, retouch, revive, shine, spruce up, tone up, touch up, vamp

- furbish, adorn, array, beautify, bedeck, bedizen, blazon, brighten up, brush up, buff, burnish, colour, dandify, deck, deck out, decorate

- furbished, buffed, burnished, finished, glassy, glazed, gleaming, glossy, lacquered, polished, rubbed, satiny, shellacked, shiny, silken, silky

- furious rage, Nemesis, furore, fury, passion, rage, vehemence, violence

- furious, abandoned, accident-prone, acute, amok, anarchic, angry, at fever pitch, bellowing, berserk, bewildered, blustering, blusterous, blustery, boiling, breakneck

- furiously, all to pieces, angrily, apace, at once, by forced marches, carelessly, cursorily, deliriously, desperately, distractedly, expeditiously, fanatically, feverishly, fiercely, frantically

- furiousness, alacrity, animality, atrocity, barbarity, brutality, carelessness, extremity, force, harshness, haste, hastiness, impulsiveness, inclemency, inhumanity, intensity
