It sometimes is difficult that how to choice it.
For example, kawaku/乾く and kawaku/渇く.
The laundry got dry.
Sentakumono ga kawaita.
The meaning of 乾く is 乾燥.
乾燥 is the word for dry in English.
I am thirsty.
Nodo ga kawaita.
The meaning of 渇く is 渇望.
渇望 is the word for "a craving, a longing, thirst" in English.