Mêmes voyelles que ultra
brumal,
brûlage,
bubale,
bucrane,
bugrane,
bulgare,
burate,
burelage,
burma,
busard,
buvard,
crural,
crustal,
cubage,
cul-de-sac,
culard,
cularde,
culasse,
curage,
curetage,
d'usage,
dubnate,
ducal,
ducat,
ducs-d'albe,
durable,
frugal,
fugace,
fulmar,
fumage,
furane,
fuselage,
futal,
gustave,
guzla,
huarts,
hussard,
jubartes,
juda,
judas,
jugal,
jumelage,
jura,
jurats,
jusqu'à,
l'ubac,
lucanes,
lumache,
luttable,
muable,
mulard,
mularde,
mulâtre,
mura,
mural,
musard,
muscat,
nulach,
nullard,
nullarde,
nullâtre,
plural,
pubard,
puddlage,
pugnace,
pula,
pulsar,
purgeable,
putasse,
qudrat,
rhubarbe,
ruade,
rubace,
rural,
sucrage,
sudra,
suffrage,
sulfate,
sultane,
sunna,
surah,
sural,
surcharge,
surpattes,
surplat,
surtaxe,
suzanne,
suçages,
sûtra,
trucable,
trucage,
tuable,
tuage,
tubar,
tunage,
ubac,
ukase,
ulna,
urate,
usage,
vulgate, ....