Adverb: Little by little, gradually.
Comes from pikku- (“little”) + hiljaa (“slowly”).
Used in a sentence: Alan pikkuhiljaa hermostua means ”I’m gradually getting irritated.”
Noun: plug (electric connecting device)
Comes from pisto (“sting, prick”) + tulppa (“plug”).
Noun: socket, outlet, wall socket; point (UK); receptacle, wall plug (US) (opening for connecting an electric plug)
Comes from pisto (“sting, prick”) + rasia (“box”).
Noun: bruise or contusion
Comes from mustelmilla = black and blue
You may also see sinelmä
Noun: blind alley, dead-end, dead end, cul-de-sac, impasse (road or situation)
Umpikuja comes from umpi- (“closed”) + kuja (“alley”).
Noun: otter (animal like the one pictured)
Comes from silmä (“eye”) + ripsi (“lash, eyelash”)
You will also see simply ”ripsi” meaning the same.