1 syllable:
dire, mire

2 syllables:
frier, trier, choir, flyer, retire, tire, fryer, flier, dryer, buyer, friar, fire, sire, wire, hirer, liar, drier, crier, briar, pyre, dyer, brier, hire, higher, prior, grier, meyer, nigher, pryor

3 syllables:
enquire, ceasefire, black friar, flat tire, spin dryer, town crier, watch fire, brush fire, supplier, attire, white friar, entire, snow tire, high wire, barbed wire, transpire, red fire, misfire, require, conspire, cease-fire, acquire, catch fire, live wire, greek fire, crown fire, rewire, spitfire, desire, applier, blackfriar, bullbrier, call fire, car tire, clothes dryer, cross wire, gray friar, greenbrier, ground fire, hair dryer, home buyer, horsebrier, massed fire, on fire, shanghaier, spare-tire, spin drier, stunt flier, sweetbriar, take fire, trip wire, unwire, zone fire

4 syllables:
set on fire, ball of fire, open fire, line of fire, austin friar, auto tire, baling wire, barrage fire, beacon fire, cannon fire, direct fire, forest fire, grazing fire, mortar fire, observed fire, radar fire, rubber tire, scheduled fire, searching fire, signal fire, surface fire, under fire, wagon tire

5 syllables:
pneumatic tire, indirect fire, electric fire, radial tire, conducting wire, covering fire, destruction fire, harassing fire, piano wire, st. elmo's fire, supporting fire, telegraph wire, telephone wire

6 syllables:
saint anthony's fire, antiaircraft fire, artillery fire, automobile tire, close supporting fire, concentrated fire, deep supporting fire, distributed fire, interdiction fire, preparation fire, radial ply tire, registration fire, sexual desire

7 syllables:
direct supporting fire, neutralization fire, reconnaissance by fire

9 syllables:
ecclesiastical attire