Wortnetzwerk: unless

Used to introduce a statement that contrasts with or seems to contradict something that has been said previously. It can also indicate 'in whatever way' or 'to whatever extent'.

Less is an adverb used to indicate a smaller amount, degree, or extent of something. It is most frequently used to modify adjectives or verbs in comparative sentences to show that something is not as much as it was before or as much as something else.

Used to introduce a contrasting statement or idea.

Introducing a conditional clause; assuming that.

Not including; apart from.