The difference between Frog and Frosh

Frog as a noun:

A small tailless amphibian of the order Anura that typically hops.

Frog as a noun:

The part of a violin bow (or that of other similar string instruments such as the viola, cello and contrabass) located at the end held by the player, to which the horsehair is attached.

Frog as a noun (Cockney rhyming slang):

Road. Shorter, more common form of frog and toad.

Frog as a noun:

The depression in the upper face of a pressed or handmade clay brick.

Frog as a noun:

An organ on the bottom of a horse's hoof that assists in the circulation of blood.

Frog as a noun (rail transport):

The part of a railway switch or turnout where the running-rails cross (from the resemblance to the frog in a horse's hoof).

Frog as a verb:

To hunt or trap frogs.

Frog as a verb (transitive, biology):

To use a pronged plater to transfer (cells) to another plate.

Frog as a verb (transitive, cooking):

To spatchcock (a chicken).

Frog as a noun (offensive):

A French person.

Frog as a noun (Canada, offensive):

A French-speaking person from Quebec.

Frog as a noun:

A leather or fabric loop used to attach a sword or bayonet, or its scabbard, to a waist or shoulder belt.

Frog as a noun:

An ornate fastener for clothing consisting of an oblong button (covered with netted thread), toggle, or knot, that fits through a loop.

Frog as a verb:

To ornament or fasten a coat, etc. with frogs.

Frog as a verb (transitive):

To unravel (a knitted garment).

Frosh as a noun (now, dialectal):

A frog.

Frosh as a noun (colloquial):

A first-year student, at certain universities, and a first-or-second-year student at other universities.

Frosh as a verb (transitive, slang):

To initiate academic freshmen, notably in a testing way.

Frosh as a verb (transitive, slang):

To damage through incompetence.