1 syllable:
ail, ale, bail, bale, brail, braille, cale, calle, dail, dale, dwale, fail, faille, flail, frail, gael, gail, gale, gayle, grail, hail, hale, jail, kail, kale, mail, male, nail, pail, pale, quail, quale, quayle, rail, sail, sale, scale, serail, shale, snail, stale, swale, tail, taille, tale, they'll, theyll, trail, vail, vale, veil, wail, wale, whale, yale

2 syllables:
agnail, airedale, airmail, air mail, assail, avail, bandtail, bangtail, beam scale, bewail, blackmail, blacktail, black whale, blue whale, bobtail, brix scale, broadtail, browntail, brown snail, bulk mail, camail, canaille, carrell, cattail, chain mail, clout nail, clydesdale, coattail, cocktail, curtail, deer trail, derail, descale, detail, doornail, dovetail, downscale, e-mail, email, empale, entail, exhale, fantail, fee tail, female, fence rail, fife rail, fin whale, fishtail, fish scale, folktale, forced sale, for sale, foxtail, freetail, fresh gale, full-scale, gaffsail, gray whale, greenmail, grisaille, guardrail, gunwale, hairtail, handrail, hangnail, hardtail, hay bale, headsail, high-tail, hightail, hobnail, horntail, horse-trail, horsetail, impale, inhale, kite tail, land rail, large-scale, lugsail, mainsail, mare's tail, mikhail, minke whale, mondale, narwhale, near gale, netmail, oil shale, outsail, oxtail, pass-fail, pentail, percale, pigtail, pintail, plate rail, prevail, rat-tail, rattail, redtail, regale, resale, rescale, retail, right whale, ringtail, ring mail, rocaille, scotch gale, seasnail, sea kale, sea snail, shirttail, short sale, skysail, slop pail, small-scale, soft scale, sperm whale, split rail, sprigtail, springtail, spring scale, spritsail, squaretail, square sail, staysail, stockdale, strong gale, stub nail, surveil, sweet gale, swordtail, taffrail, tall tale, telltale, third rail, thumbnail, time scale, toenail, toothed whale, topsail, travail, treenail, trenail, trysail, turn tail, unveil, upscale, ventail, volaille, wage scale, wagtail, wassail, whiptail, whitetail, white sale, white tail, white whale, wholesale, whole gale, wide wale, wind scale

3 syllables:
abigail, adult male, armored scale, auction sale, aventail, baleen whale, balloon sail, beaufort scale, bill of sale, bristletail, brown soft scale, bustard quail, buttonquail, button quail, carbondale, cattle trail, chippendale, clearance sale, coat of mail, coffin nail, cottontail, countervail, crab cocktail, dinner pail, dwarf sperm whale, express-mail, express mail, fairytale, farthingale, fast time scale, field horsetail, fingernail, fire sale, flickertail, fore-topsail, fruit cocktail, garden snail, ginger ale, greenland whale, green foxtail, holy grail, humpback whale, jumble sale, killer whale, lauderdale, lobster tail, main-topsail, major scale, marsh horsetail, martingale, melogale, minor scale, monorail, mountain quail, mountain trail, narrow wale, nathanael, old wives' tale, old world quail, oruvail, parasail, partial veil, phascogale, ph scale, picture rail, pilot whale, ponytail, press of sail, rankine scale, reassail, richter scale, rough horsetail, rummage sale, rum cocktail, safety rail, scissortail, sheriff's sale, shrimp cocktail, sliding scale, slow time scale, spilogale, surface mail, swallowtail, swamp horsetail, tattletale, teetotal, telsontail, thylogale, towel rail, tripletail, wiggle nail, wood horsetail, yellowtail

4 syllables:
adult female, celsius scale, centigrade scale, cinnamon snail, common horsetail, edible snail, fahrenheit scale, giant foxtail, heroic tale, indian trail, judicial sale, meadow foxtail, moderate gale, musical scale, paraffin scale, potamogale, pygmy sperm whale, santa fe trail, san jose scale, striped button quail, tenpenny nail, vernier scale, vertical tail, water horsetail, yellow foxtail

5 syllables:
atomic cocktail, california quail, condensation trail, conditional sale, diatonic scale, electronic mail, extended time scale, horizontal tail, logarithmic scale, migratory quail, molotov cocktail, poecilogale, priority mail, universal veil

6 syllables:
cadmium yellow pale, economies of scale

7 syllables:
major diatonic scale, minor diatonic scale