As nouns the difference between child and perisher

is that child is a daughter or son; an offspring while perisher is (british|informal) an annoying child, a brat.

As nouns the difference between brat and perisher

is that brat is brother while perisher is (british|informal) an annoying child, a brat.

As nouns the difference between group and playgroup

is that group is a number of things or persons being in some relation to one another while playgroup is a group of children who meet together for supervised play.

As a verb group

is to put together to form a group.

As nouns the difference between child and playgroup

is that child is a daughter or son; an offspring while playgroup is a group of children who meet together for supervised play.

As a verb supervised

is .

As an adjective supervised

is done under supervision; watched.

As a noun playgroup is

a group of children who meet together for supervised play.

Passivisable is a alternative form of passivizable.

As adjectives the difference between passivizable and passivisable

is that passivizable is which can be passivized, which can be made into the passive while passivisable is which can be passivised, which can be made into the passive.

As a noun passive

is .

As an adjective passivisable is

which can be passivised, which can be made into the passive.

As a noun passive

is .

As an adjective passivizable is

which can be passivized, which can be made into the passive.

Unpassivizable is an antonym of passivizable.

As adjectives the difference between unpassivizable and passivizable

is that unpassivizable is which cannot be passivized, which cannot be made into the passive while passivizable is which can be passivized, which can be made into the passive.

As a verb passivize

is (us|grammar) to render into the passive form.

As an adjective unpassivizable is

which cannot be passivized, which cannot be made into the passive.