tuur(a)-, n. Ridge. Gender: B, Stems: /r/ <r> - /r/ <r> - /r/ <r>, Ablaut: /uː/ <uu> - /uː/ <uu> - /yː/ <yy>, Nominative singular: /tuːra/ <tuura>, Accusative singular: /tuːri/ <tuuri>, Allative singular: /tyːraβɒ/ <tyyrabå>