| Answer | Crossword Clue |
|---|---|
| OBOE | The heckelphone is a variation of it |
| conjugations | The class in which a verb is put according to the manner of this variation |
| conjugation | The class in which a verb is put according to the manner of this variation |
| declensions | The class to which a noun or adjective is assigned according to the manner of this variation |
| declension | The class to which a noun or adjective is assigned according to the manner of this variation |
| ablaut | a systematic variation of vowels in the same root or affix or in related roots or affixes especially in the Indo-European languages that is usually paralleled by differences in use or meaning (as in sing, sang, sung, song) |
