challenge

As a noun aspects

is .

As a verb challenge is

.

As a noun suggestions

is .

As a verb challenge is

.

As verbs the difference between tempt and challenge

is that tempt is to provoke someone to do wrong, especially by promising a reward; to entice while challenge is .

As a verb challenge

is .

As a noun inspiration is

(exercising an elevating or stimulating influence upon the intellect or emotions).

As verbs the difference between authenticate and challenge

is that authenticate is to render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit while challenge is .

As verbs the difference between undertaking and challenge

is that undertaking is while challenge is .

As a noun undertaking

is the business of an undertaker, or the management of funerals.

As a proper noun blitz

is the series of air raids launched on various cities in britain (not just london) by the german airforce in 1940-1 they were also known as the baedeker raids.

As a verb challenge is

.

As verbs the difference between challenge and encourage

is that challenge is while encourage is .