profund

As adjectives the difference between intense and profund

is that intense is strained; tightly drawn while profund is deep.

Profund is likely misspelled.

Profund has no English definition.

As an adjective thorough is

painstaking and careful not to miss or omit any detail.

As a preposition thorough is

through.

As a noun thorough is

a furrow between two ridges, to drain off the surface water.