| 1 | French | fantastique | fantastic |
| 2 | Spanish | fantástico | fantastic |
| 3 | Italian | fantastico | fantastic; fabulous, imaginary, imaginative,... |
| 4 | Latin | phantasticus | imaginary |
| 5 | Ancient Greek | φανταστικός | — |
| 6 | Ancient Greek | -τικός | relating to, suited to, skilled in, able to,... |
| 7 | Ancient Greek | -σις | Added to verb stems to form abstract nouns or... |
| 8 | Ancient Greek | -τις | Earlier form of -σις , retained after dentals δ,... |
| 9 | Proto-Indo-European | -tis | Derives abstract/action nouns from verb roots |