| Bahasa Indonesia | Bahasa Asing | Kata kunci | Bidang | Sumber | |
|---|---|---|---|---|---|
| 1. | varian bebas | facultative variant | bebas; varian | Linguistik | Pusba |
| 2. | varian bebas | free alternant | bebas; varian | Linguistik | Pusba |
| 3. | varian bebas | free variant | bebas; varian | Linguistik | Pusba |
| 4. | varian individual; lihat: varian bebas | individual variant | bebas; individual; lihat; varian | Linguistik | Pusba |
