Several paired forms either share a root or create a purposeful contrast. Keeping their functions distinct improves both translation and literary analysis.
ExpressionSense and function
Turqil / arqalatQuick gait: negation vs occurrence
Afdīka / aftadīRansom another / rescue oneself
Yastarfid / arfidSeek aid / provide aid
Tabghinī / taqtaniṣnīSeek / pursue and catch
The recurrence of related forms can sharpen contrast, show intensity, or link a request with its response.