sub marine, under surface , sport
large boats?
Narrow boats.
Most of the boats on the Thames are tourist and pleasure boats and there are very few goods carrying boats left.
As far as I am quite sure, there were definitely ships... and paddle boats.
Tectonic plate
like what kind of a plate. A land plate or a ocean plate or a eating plate?
could a grant apply to liveaboard boats?
Plate
a plate -.-
sailboat
Yes, the plural noun 'boats' is a common noun, a general word for any boats of any kind.
convergent