This is the 227th most frequent Finnish word.
kuusi
The Finnish word "kuusi" can mean either "six" or "spruce" (a type of tree) in English.
Here, 'kuusi' is used to mean 'spruce', which is a type of tree.
Kuusi kasvaa metsän laidalla.
A spruce grows at the edge of the forest.
In this context, 'kuusi' means 'six', used as a number.
Meillä on kuusi kynttilää pöydällä.
We have six candles on the table.
Again, 'kuusi' is used to refer to the spruce tree.