What rhymes with sempiternal

2 Syllables
charnelcornelcornelldarnelldermaldiurnalkernelparnellthermalvernal
3 Syllables
asternalcameralcolonelenteraleternalexternalfraternalhernialhibernalinfernalinternalmaternalnocturnalpaternalpedestalsupernaltransdermal
4 Syllables
coeternalepidermalgeothermalhydrothermalintradermalsemidiurnalsempiternal