1 syllable:
-phage, age, brage, cage, drage, frage, gage, gaige, gauge, grage, hage, kage, klage, krage, lage, page, paige, phage, plage, rage, sage, schrage, stage, suage, swage, trage, traje, wage, wrage

2 syllables:
ambage, ancrage, assuage, asswage, b-stage, backstage, beaucage, bethpage, bird-cage, black sage, blue sage, bocage, bodrage, bombage, bone age, boscage, bourrage, branchage, broad-gauge, broad gauge, brocage, bronze age, cengage, chiefage, curage, degage, discage, disgage, downstage, drengage, encage, encaje, engage, enrage, fare-stage, filtrage, flotage, fourrage, front-page, frontstage, full page, graham-paige, gray sage, greengage, half page, homepage, ice age, incage, innage, inpage, lactage, langage, langrage, leafage, left stage, lestage, main-page, marraige, messuage, misgauge, mobage, moorage, new-age, nick gage, nightstage, offstage, of age, ohmage, old-age, old age, onstage, osage, osraige, outrage, pelage, pierage, placage, plantage, preengage, prophage, rain gauge, restage, ribcage, rib cage, right stage, roofage, sabrage, sand sage, school-age, sorrage, soundstage, space age, stone age, strain gauge, take stage, teenage, thrust stage, tirage, uncage, upstage, wastage, wharfage, white sage, wild sage, wind gauge, wood sage

3 syllables:
12-gauge, accrochage, adam page, ajustage, anal stage, batting cage, bettie page, borinage, careenage, carucage, clary sage, coliphage, come of age, common sage, coprophage, countergage, datastage, david cage, disengage, dragon age, drinking age, forestage, fuel gauge, glucophage, golden age, halston sage, herbergage, interstage, iron age, iron cage, janis paige, landing stage, legal age, lipophage, littlepage, living wage, macrophage, manurage, mealy sage, mental age, michael page, microage, microphage, middle age, multistage, mycophage, narrow-gauge, narrow gauge, oral stage, outdoor stage, over-age, pitcher sage, polyphage, prairie sage, pressure gauge, purple sage, re-engage, reengage, rumortrage, sarcophage, silver age, silver sage, sonicstage, squirrel-cage, squirrel cage, standard gauge, steven page, surface gauge, take the stage, taylour paige, title page, under-age, vacuum gauge, virophage, voting age, water gage, water gauge, weather-gage, wire gauge, wormwood sage, xylophage

4 syllables:
abura-age, actinophage, alienage, anthropophage, bryony page, chaparral sage, dutch golden age, elliot page, genital stage, killswitch engage, latency stage, melanophage, microscope stage, minimum-wage, minimum wage, neuronophage, osteophage, satsuma-age, siderophage, theater stage, theatre stage, youth-and-old-age

5 syllables:
bacteriophage, california sage, jerusalem sage, legal drinking age, mesolithic age, micrometer gauge, queens of the stone age, victorian age

6 syllables:
chronological age, developmental age, educational stage, elizabethan age, islamic golden age