Words That Rhyme With "Externals" :
2 syllables:
Arnolds, Bernal, Burma's, Carmel, carnal, charnel, colonels, darnel, dermal, dirndl, journals, kernels, thermal, vernal
3 syllables:
deferrals, diurnal, hibernal, infernal, referrals, supernal
4 syllables:
ectodermal, endodermal, endothermal, entodermal, epidermal, eurythermal, geothermal, hemathermal, hodiernal, homothermal, hydrothermal, hypothermal, intradermal, isothermal, mesodermal, pachydermal
5 syllables:
electrothermal, hematothermal, homeothermal, homoiothermal, semidiurnal