Difference between Unrelenting and Continual

UNRELENTING vs CONTINUAL: ADJECTIVE

Never-ceasing
Having or exhibiting uncompromising determination; unyielding.
Not diminishing in intensity, pace, or effort.
Not relenting; unyielding; rigid; hard; stern; cruel.
Not relenting; having no pity; not being or becoming lenient, mild, gentle, or merciful; unyielding; inflexibly rigid; hard; stern; cruel.
Harsh
Not to be placated or appeased or moved by entreaty

Seemingly without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series
`continual' (meaning seemingly uninterrupted) is often used interchangeably with `continuous' (meaning without interruption)
Recurring regularly or frequently.
Not interrupted; steady.
Occuring in steady and rapid succession; very frequent; often repeated.
Quantities in continued proportion.
Recurring in steady, rapid succession.
Seemingly continuous; appearing to have no end or interruption.
Forming a continuous series.

That does not or will not relent; not being or becoming lenient, mild, gentle, or merciful; continuing to be hard, severe, pitiless, hostile, or cold; inexorable; unyielding.
Synonyms Relentless, Implacable, etc. (see inexorable), merciless, hard-hearted, unsparing, unpitying, rigorous, cruel.
Punishingly harsh

Occurring without interruption
Having no interruptions
Of frequent recurrence; often repeated; very frequent: as, the charitable man has continual applications for alms.
Proceeding without interruption or cessation; not intermitting; unceasing; continuous.

Unending, Ceaseless, Unyielding, Incessant, Unremitting, Unceasing, Stern, Grim, Unappeasable, Inexorable, Unforgiving, Persistent, Implacable, Continual, Relentless

Perennial, Insistent, Everlasting, Recurrent, Repetitive, Uninterrupted, Repeated, Persistent, Perpetual, Unrelenting, Endless, Relentless, Incessant, Constant, Continuous

Unending, Ceaseless, Unyielding, Incessant, Unremitting, Unceasing, Stern, Grim, Unappeasable, Inexorable, Unforgiving, Persistent, Implacable, Continual, Relentless

Perennial, Insistent, Everlasting, Recurrent, Repetitive, Uninterrupted, Repeated, Persistent, Perpetual, Unrelenting, Endless, Relentless, Incessant, Constant, Continuous

Members should attendorder further their continual education anesthesia.
Legal Process Clerk I on a continual basis.
The collection ofsoils data is a continual process.
Up to that period, continual deterioration is unavoidable.
We review the curriculum on a continual basis.
Ordinary inconveniences are never light, they are continual and inseparable, especially when they spring from the members of a family, continual and inseparable.
Continual improvement Continual improvement is one of the key principles in the QMS described in this standard.
Continual improvement Benchmarking is a tool for supporting a process of continual improvement.
By continual verification of our methods and procedures, we sustainably ensure our competitiveness and thus live a continual improvement process.
Following continual assessment rate: quotient between students who follow the continual assessment and students enrolled.