Sundial rhymes with:
crocodile, anglophile, argyle, carlisle, carlyle, carwile, corbeil, costabile, crocodile, erstwhile, exile, francophile, freestyle, gentile, hairstyle, lifestyle, meanwhile, mercantile, oenophile, percentile, peristyle, profile, reconcile, senile, senkbeil, stockpile, textile, turnstile, wohlfeil
Sundial sounds like:
saintly, sandahl, sandal, sandall, sandalo, sandel, sandell, sandhill, santala, santella, santelli, santilli, santillo, santulli, scandal, scantily, schendel, schindel, schmidl, schoenthal, scintilla, secondly, sendawal, sentell, sentelle, sequential, sequentially, shindle, simental, smedley, smitley, smittle, smoothly, soundly, sundahl, sundell, swindall, swindell, swindle