As nouns the difference between suction and pull

is that suction is the principle of physics by which matter is drawn from one space into another because the pressure inside the second space is lower than the pressure in the first while pull is an act of pulling (applying force).

As verbs the difference between suction and pull

is that suction is to create an imbalance in pressure between one space and another in order to draw matter between the spaces while pull is to apply a force to (an object) so that it comes toward the person or thing applying the force.

As a verb enlighten

is to supply with light; to illuminate; as, the sun enlightens the earth.

As a noun open is

.

As an adjective specific

is explicit or definite.

As a noun specific

is a distinguishing attribute or quality.

As a verb diffuse is

.

As nouns the difference between weekend and weeknight

is that weekend is the break in the working week, usually two days including the traditional holy or sabbath day thus in western countries, saturday and sunday occasionally abbreviated to w/e while weeknight is the evening of a weekday.

As a verb weekend

is to spend the weekend.

As an adjective weekend

is of, relating to or for the weekend.

As nouns the difference between claps and clapping

is that claps is while clapping is the action by which someone or something claps.

As a verb clapping is

.

As nouns the difference between node and category

is that node is a knot, knob, protuberance or swelling while category is a group, often named or numbered, to which items are assigned based on similarity or defined criteria.

As an abbreviation NODE

is New Oxford Dictionary of English

As a letter n

is the letter n with a tilde.

As a pronoun en is

he, him.

As nouns the difference between regulation and adjusting

is that regulation is regulation while adjusting is adjustment.

As a verb adjusting is

.

As a noun regulation

is regulation.

As a verb adjust is

to modify.

As nouns the difference between obeisance and prostration

is that obeisance is demonstration of an obedient attitude, especially by bowing deeply; a deep bow which demonstrates such an attitude while prostration is the act or condition of prostrating (lying flat) oneself, as a sign of humility.