2 syllables:
adder, adere, badar, badder, bader, bladder, brader, cadere, cador, chadar, chaddar, dadur, gadar, gaddar, gadder, gadere, gladder, hadar, hadder, had her, kadar, kadder, khaddar, ladar, ladder, madar, madder, madere, nadder, padder, radder, sadder, shadur, skadar

3 syllables:
accadere, air bladder, blackadder, death adder, fish ladder, gall-bladder, gallbladder, jack ladder, milk adder, puff-adder, puff adder, rhayader, rope ladder, sea ladder, stepladder, step ladder, swim bladder, white madder, wild madder

4 syllables:
banded adder, checkered adder, computador, dennis rader, flaccid bladder, jacob's ladder, monkey ladder, pilot ladder, ryan bader, scaling ladder

5 syllables:
aerial ladder, extension ladder, indian madder

6 syllables:
northern jacob's ladder, urinary bladder

7 syllables:
accommodation ladder

2 syllables:
taker, wader, cater, traitor, gaiter, acre, taper, cager, caper, maigre, later, neighbor, labor, trader, greater, agar, shaper, caber, tater, breaker, nacre, grader, faker, raider, mater, radar, skater, tabor, sabre, labour, slater, nadir, stator, raper, hater, seder, draper, decor, pater, maker, vapor, neighbour, daycare, paper, baker, waiter, grater, crater, freighter, scraper, quaker, saber, shaker, attar, backer, bagger, bakker, batter, blabber, catarrh, chatter, clabber, clapper, clatter, cracker, crapper, dagger, dapper, faqir, flapper, flatter, grabber, hacker, hatter, jabber, jaeger, jagger, knacker, lacquer, latter, mapper, matter, nagger, natter, pabir, packer, patter, platter, rapper, ratter, sapper, satyr, scatter, scrapper, shatter, slabber, slacker, smacker, smatter, snapper, spatter, splatter, stabber, stagger, strapper, swagger, tatar, tatter, tracker, trapper, whacker, wrapper

3 syllables:
wax paper, test paper, creator, bay stater, crepe paper, rice paper, art paper, bean caper, debater, graph paper, invader, parader, white paper, laid paper, abrader, dictator, curator, blood agar, god's acre, translator, playgoer, crusader, belabor, free trader, testator, on paper, deflator, equator, bond paper, wove paper, kraft paper, attacker, backscatter, back matter, bespatter, cat cracker, dust wrapper, end matter, front matter, gray matter, gray snapper, grey matter, hog snapper, line backer, no matter, puff batter, red snapper, the matter, thigh-slapper, vannatter, waste matter, white matter

4 syllables:
vindicator, carbon paper, order paper, filter paper, writing paper, basket maker, ledger paper, coffee maker, inhalator, conquistador, wrapping paper, water vapor, circuit breaker, cartridge paper, toilet paper, tracing paper, tissue paper, litmus paper, cannon cracker, cloak-and-dagger, double dagger, fecal matter, fritter batter, graham cracker, mangrove snapper, mongol tatar, mutton snapper, oyster cracker, pancake batter, pitter-patter, soda cracker, spanish dagger, spin the platter, spirit rapper, state of matter, subject matter, turko-tatar, whippersnapper, written matter

5 syllables:
india paper, amphitheatre, amphitheater, manila paper, cigarette paper, commercial paper, construction paper, crux of the matter, textual matter

6 syllables:
department of labor, celestial equator, magnetic equator, alligator snapper, catalytic cracker, pictorial matter

7 syllables:
conservation of matter

9 syllables:
law of conservation of matter