F is likely misspelled.

F has no English definition.

As a noun contact is

the act of touching physically; being in close association.

As a verb contact is

to touch; to come into physical contact with.

As an adjective false

is (label) one of two states of a boolean variable; logic.

As a letter f is

the sixth letter of the.

As a symbol f is

(label) symbol for fluorine.

As verbs the difference between jerking and pulling

is that jerking is while pulling is .

As nouns the difference between jerking and pulling

is that jerking is a motion that jerks; a jerk while pulling is the act by which something is pulled.

As nouns the difference between contusion and hypostasis

is that contusion is a wound, such as a bruise, in which the skin is not broken; often having broken blood vessels and discolouration while hypostasis is a sedimentary deposit, especially in urine.

As a verb restrict is

to restrain within bounds; to limit; to confine; as, to restrict worlds to a particular meaning; to restrict a patient to a certain diet.

As an adjective restrict is

(obsolete) restricted.

As verbs the difference between provided and vivendo

is that provided is (provide) while vivendo is .

As a conjunction provided

is only if (the stipulation that follows is true).

As nouns the difference between lots and several

is that lots is plural of lang=enCategory:English plurals while several is an area of land in private ownership (as opposed to common land).

As adverbs the difference between lots and several

is that lots is a great deal; greatly; very much; tons; loads; a lot while several is by itself; severally.

As a determiner several is

separate, distinct; particular.

As a noun lots

is .

As an adjective severa is

severe.

Unwell is a synonym of well.

As adjectives the difference between well and unwell

is that well is in good health while unwell is not well; indisposed; not in good health; somewhat ill; ailing.

As an adverb well

is accurately, competently, satisfactorily.

As an interjection well

is used to acknowledge a statement or situation.

As a noun well

is a hole sunk into the ground as a source of water, oil, natural gas or other fluids.

As a verb well

is to issue forth, as water from the earth; to flow; to spring.

As adjectives the difference between superb and elite

is that superb is first-rate; of the highest quality; exceptionally good while elite is of high birth or social position; aristocratic or patrician.

As a noun elite is

a special group or social class of people which have a superior intellectual, social or economic status as, the elite of society.