2 syllables:
adder, badder, bader, bladder, gladder, khaddar, ladder, madder, padder, sadder

3 syllables:
air bladder, bayadere, death adder, fish ladder, gallbladder, jack ladder, milk adder, puff adder, rope ladder, sea ladder, stepladder, step ladder, swim bladder, white madder, wild madder

4 syllables:
banded adder, checkered adder, flaccid bladder, jacob's ladder, monkey ladder, pilot ladder, scaling ladder

5 syllables:
aerial ladder, extension ladder, indian madder

6 syllables:
northern jacob's ladder, urinary bladder

7 syllables:
accommodation ladder

2 syllables:
cracker, spatter, smacker, chatter, bagger, wrapper, satyr, packer, shatter, latter, swagger, slacker, flapper, jabber, whacker, clapper, backer, splatter, attar, dapper, scatter, tapir, crapper, nagger, jagger, batter, hacker, mater, tracker, tatter, tabour, stagger, knacker, natter, platter, blabber, flatter, clatter, tatar, patter, dagger, sapper, clabber, smatter, grabber, stabber, catarrh, hatter, rapper, scrapper, jaeger, mapper, snapper, matter, strapper, trapper, slabber, lacquer, ratter, bakker, faqir, pabir

3 syllables:
attacker, bespatter, white matter, front matter, red snapper, gray matter, back matter, grey matter, backscatter, cat cracker, dust wrapper, end matter, gray snapper, hog snapper, line backer, no matter, puff batter, the matter, thigh-slapper, vannatter, waste matter

4 syllables:
oyster cracker, state of matter, double dagger, soda cracker, subject matter, graham cracker, spanish dagger, cannon cracker, cloak-and-dagger, fecal matter, fritter batter, mangrove snapper, mongol tatar, mutton snapper, pancake batter, pitter-patter, spin the platter, spirit rapper, turko-tatar, whippersnapper, written matter

5 syllables:
crux of the matter, textual matter

6 syllables:
catalytic cracker, alligator snapper, pictorial matter

7 syllables:
conservation of matter

9 syllables:
law of conservation of matter