Start with a good intro sentence like “To sum it up” or “You put it in a nutshell”. Then restate your claim from the intro paragraph
I don't know if this is specifically what you mean, but if they have the same origin, they would be
cognates.
For example, Spanish and Portuguese words for home, which are both written "casa" but pronounced slightly differently, are cognates!
Or they could be loan words, if we know that the word in one language speficically "came" from another language.
C.) Selvam I'm pretty sure.