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:
air bladder, bayadere, 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:
handler, 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, mater, 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:
balancer, crackleware, canister, rattler, bachelor, matador, cannoneer, glandular, aquifer, lacklustre, lavender, prattler, manager, scapular, traveler, traveller, chancellor, vascular, fastener, samovar, handlebar, grandmother, lancaster, tanager, ampullar, bannister, granular, sapsucker, atmosphere, amateur, half-brother, papaver, landlubber, acinar, scavenger, hadrosaur, absconder, saddler, clawhammer, hackamore, annular, cavalier, avatar, salvador, wrangler, labrador, basilar, catheter, calendar, challenger, wagoner, canvasser, bandoleer, caliber, battledore, cannular, falconer, passenger, massacre, jacamar, malodor, man-of-war, palaver, gadgeteer, phalanger, blackamoor, lackluster, waggoner, tablature, baluster, zanzibar, angular, caliper, blastomere, blastosphere, albacore, janitor, stratosphere, straphanger, 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:
spectacular, avascular, enamelware, peradventure, apatosaur, tyrannosaur, ambassador, rectangular, diameter, embassador, stage manager, great grandmother, snap fastener, san salvador, capacitor, lord chancellor, vernacular, slide fastener, triangular, decameter, parameter, spike lavender, el salvador, excalibur, milliammeter, knight bachelor, examiner, gametophore, titanosaur, sea lavender, decaliter, pentangular, elastomer, dekameter, kala-azar, vice chancellor, oracular, 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:
jewish calendar, city manager, enantiomer, acetabular, fellow traveler, hindu calendar, roman calendar, crux of the matter, textual matter

6 syllables:
julian calendar, vernier caliper, cardiovascular, alligator snapper, catalytic cracker, pictorial matter

7 syllables:
medical examiner, gregorian calendar, conservation of matter

9 syllables:
law of conservation of matter