As adjectives the difference between mischievous and vivacious

is that mischievous is causing mischief; injurious while vivacious is lively and animated; full of life and energy.

In transitive terms the difference between outlook and surface

is that outlook is to face down; to outstare while surface is to apply a surface to something.

As verbs the difference between outlooking and surface

is that outlooking is present participle of outlook while surface is to provide something with a surface.

As a noun surface is

the overside or up-side of a flat object such as a table, or of a liquid.

As a verb restrain

is   to control or keep in check.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between propeller and helicopter

is that propeller is propeller while helicopter is helicopter.

As a noun interruption

is the act of interrupting, or the state of being interrupted.

As an adjective blocked is

obstructed impeding general movement.

As a verb blocked is

past tense and past participle of to block .

As a noun prudery

is the condition of being prudish; prudishness.

As an adjective probable is

likely or most likely to be true.

As verbs the difference between interrupting and blocking

is that interrupting is while blocking is .

As a noun blocking is

the act by which something is blocked; an obstruction.

As a noun tripe

is (l) (three-legged stand or mount).

As a verb state is

.

As nouns the difference between frittata and tortilla

is that frittata is a form of omelette in which vegetables, cheese etc are mixed into the eggs and cooked together while tortilla is (mexico) a flat round bread made out of cornmeal or flour in mexican cuisine they are often served with a filling or topping such as frijoles'' "beans", ''carne'' "meat", ''salsa "sauce", sour cream and cheese, in which case they are called quesadillas.