As an adjective philosophical

is of, or pertaining to, philosophy.

As a proper noun aristotelianism is

(philosophy) the philosophical system of (384 bc – 322 bc) and his followers.

As a noun system

is system.

As a proper noun aristotelianism is

(philosophy) the philosophical system of (384 bc – 322 bc) and his followers.

As a noun follower

is (literally) one who follows, comes after another.

As a proper noun aristotelianism is

(philosophy) the philosophical system of (384 bc – 322 bc) and his followers.

As a proper noun snow

is .

As a noun snowologist is

(usually|humorous) a person who studies the snow, or is an expert on snow-related matters.

As an adjective preachy

is tending toward excessive moralization.

As a noun preachiness is

the quality of being preachy.

As adjectives the difference between photic and nonphotic

is that photic is of, related to, or irradiated by light; especially describing that part of the near-surface ocean is which photosynthesis is possible while nonphotic is not photic in nature or origin; unrelated to visible light.

As a proper noun light

is .

As an adjective nonphotic is

not photic in nature or origin; unrelated to visible light.

As a verb finance

is .

As an adjective nonfinance is

not, nor not directly related to, finance.

Skicross is a synonym of skiercross.

As nouns the difference between skicross and skiercross

is that skicross is the sport of skiercross while skiercross is (skiing) a tournament-style downhill speed skiing competition.

As verbs the difference between skate and outskate

is that skate is to move along a surface (ice or ground) using skates while outskate is to skate better than another skater.

As a noun skate

is a runner or blade, usually of steel, with a frame shaped to fit the sole of a shoe, made to be fastened under the foot, and used for gliding on ice.