As nouns the difference between tabletop and countertop
is that tabletop is the flat, horizontal surface of a table while countertop is the surface atop a counter.
As an adjective tabletop
is suitable for use on the top of a table.
tabletop
English
Noun
(
en noun)
the flat, horizontal surface of a table
(skateboarding) A fixed item resembling a table, used for performing skateboarding tricks.
Adjective
(-)
Suitable for use on the top of a table.