Alka rhymes with:
galka, kalka, palca, palka, rusalka, belka, bilka, galka, havelka, hilke, homolka, ilka, kalka, kolka, koudelka, kulka, melka, opalka, palca, palka, pavelka, pelka, polka, popelka, rusalka, smolka, tylka, veselka, yarmulke, zilka, zilkha, zylka
Alka sounds like:
ahaulsie, ahles, ailes, ails, ailsa, al's, alachua, alagoas, alas, alaska, alaska's, alcasa, alcee, alco, alco's, alcoa, alcoa's, alcock, alec, alehouse, alejo, alejos, ales, alesi, alessi, alessio, alex, alex's, alexa, alexei, alexi, alexi's, alexia, alexis, alexs, alexy, algae, algeo, algie, algy, alhausie, ali's, alias, aliases, alice, alice's, alicea, alices, alicia, alicia's, alig, alija, alija's, alike, alikes, alisa, alisha, alisky, alissa, alix, alizac, all's, allais, allays, allcock, alleco, allege, alleges, allegis, allegis', allegis's, alleles, allelic, alles, alley's, alleys, alleyways, allick, allies, allies', allis, allocca, allocco, allows, alloys, alls, allshouse, allweiss, allweiss's, ally's, allys, alois, aloisa, aloisi, aloisia, aloisio, aloka, aloys, aloyse, aloysia, aloysius, als, alsace, also, alusuisse, always, alyce, alyeska, alyeska's, alys, alysia, alyssa, alza, alza's, ayles