There are a few options.
You could say kulta, rakas.
Darling is kulta in Finnish.
In Finnish the word swamp is "suo".
The Finnish word for basket is kori.
Helki is not Finnish
The Finnish language is suomi (Finnish) or suomen kieli (Finnish language) in Finnish.
That word is not Finnish.
Pleb is not a Finnish word.
Coal is hiili in Finnish.
Village is kylä in Finnish.
Little is pieni in Finnish.
Rain is sade in Finnish.
Servo in Finnish is a loan-word from the English word servomechanism or servo.