| Answer | Crossword Clue |
|---|---|
| DERS | Origins of words: Abbr. |
| ETYMOL | Science of word origins: Abbr. |
| ETYM | Study of word origins (Abbr.) |
| DERS | Origins: Abbr. |
| ETYM | Study of words: Abbr. |
| ETYM | Derivation of words: Abbr. |
| SUFS | Parts of words: Abbr. |
| ETYM | History of words: Abbr. |
| PHR | Group of words: Abbr. |
| ETYM | The history of words: Abbr. |
| DECL | Class of words in grammar: Abbr. |
| OBS | Out of use, as words: Abbr. |
