As verbs the difference between float and foam
is that
float is (
lb) of an object or substance, to be supported by a liquid of greater density than the object so as that part of the object or substance remains above the surface while
foam is to form or emit foam.
As nouns the difference between float and foam
is that
float is a buoyant device used to support something in water or another liquid while
foam is a substance composed of a large collection of bubbles or their solidified remains.