6 Syllables
geospeedometry
jee-oh-speed-oh-meh-tree
lactovegetarian
lak-toh-vej-uh-TEHR-ee-uhn
unidirectionality
yoo-nee-dih-rek-shuh-nal-i-tee
neuropharmacologically
NEW-ro-FAR-muh-ko-LODGE-ih-klee
counterinstitutionalization
KOWN-ter-in-sti-TOO-shun-uh-li-ZAY-shun
clavicytherium
klav-i-SITH-uh-ree-um
lycopenodermia
ly-kə-PEE-nə-DER-mi-ə
zygomaticotemporal
zy-go-mat-i-co-tem-por-al
DOUBLE JEOPARDY!
thalamocorticostriatal
THAL-uh-mo-COR-ti-co-STRI-ay-tul
DOUBLE JEOPARDY!
triacetyloleandomycin
trahy-uh-set-l-oh-lee-an-duh-mahy-sin
abiogeneses
ey-bye-oh-JEN-uh-sis
hematochromatosis
hee‑mah‑toh‑kroh‑mah‑TOH‑siss
tetraethylammonium
tet-rah-ETH-uhl-am-MOH-nee-um
polydermatomysitis
pah-lee-der-mah-toh-my-oh-SY-tis
autogynandromorphophilia
au-to-guy-nan-dro-mor-fo-FIL-ee-uh
algebraizable
AL-juh-bra-EYE-zuh-buhl
DOUBLE JEOPARDY!
pachycephalosaurus
pak-i-SEF-uh-lo-SAWR-us
hecatonicosachoron
heck-uh-TO-nigh-ko-si-KOH-ron
hemochorioendothelial
hee-moh-koh-ree-oh-en-doh-THEE-lee-uhl,
lobuoalveologenesis
lo-byu-lo-al-vee-oh-jen-eh-sis
DOUBLE JEOPARDY!
acanthological
ac-an-tho-LOG-i-cal
neocarzinostatin
nee-oh-CAR-zin-oh-STAT-in
secosteroidogenesis
see-ko-stair-oy-do-gen-uh-sis
oophorosalpingectonomy
oo-for-o-sal-ping-ek-tuh-me
magnetohydrodynamical
mag-ne-to-hy-dro-dy-nam-i-cal