latish

is likely misspelled.

has no English definition.

As an adjective latish

is sort of late.

As adjectives the difference between latish and lamish

is that latish is sort of late while lamish is somewhat lame.

As adjectives the difference between latish and lateish

is that latish is sort of late while lateish is quite late.

As an adverb lateish is

quite late.

As adjectives the difference between latish and lavish

is that latish is sort of late while lavish is expending or bestowing profusely; profuse; prodigal.

As a verb lavish is

to expend or bestow with profusion; to use with prodigality; to squander; as, to lavish money or praise.