Astevaihtelun arvoitus.

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                            [a] => Ravila, Paavo
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                            [a] => The problem of the gradation (englanti) Kielenainekset jakaa (kieli: suomi, sivulla: 294) jalka (kieli: suomi, sivulla: 294) kakla, kaalà (kieli: viro, sivulla: 297) kaksi (kieli: suomi, sivulla: 294) kala (kieli: suomi, sivulla: 299) kantaa (kieli: suomi, sivulla: 294) kassaa (kieli: suomi, sivulla: 295) kesä (kieli: suomi, sivulla: 294) kota (kieli: suomi, sivulla: 294) käsi (kieli: suomi, sivulla: 299) kätkyt (kieli: suomi, sivulla: 295) kätkyve (kieli: suomi, sivulla: 295) lehmä (kieli: suomi, sivulla: 295) mahtaa (kieli: suomi, sivulla: 295) maksaa (kieli: suomi, sivulla: 295) pesä (kieli: suomi, sivulla: 294) petkel (kieli: suomi, sivulla: 295) Pude(n)niemi, Pudheniemi (kieli: suomi, sivulla: 299) pääsky (kieli: suomi, sivulla: 295) sappi (kieli: suomi, sivulla: 294) sep|ä, -iä (kieli: suomi, sivulla: 294) tarkka (kieli: suomi, sivulla: 294) tehdä (kieli: suomi, sivulla: 294) tõtkes (kieli: viro, sivulla: 295)
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                            [t] => Virittäjä. -
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                            [g] => 55(1951), s. 292-300, 510
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