Difference between Weighty and Cogent

WEIGHTY vs COGENT: ADJECTIVE

Of great consequence; serious or momentous.
Burdensome; oppressive: : burdensome.
Having considerable weight; heavy. : heavy.
Having great power or influence.
Of great gravity or crucial import; requiring serious thought
Excessively fat
Powerfully persuasive
Weighing heavily on the spirit; causing anxiety or worry
Having weight; heavy; ponderous.
Having relatively great weight; heavy
Rigorous; severe; afflictive.
Having weight; heavy; ponderous; as, a weighty body.
Adapted to turn the balance in the mind, or to convince; important; forcible; serious; momentous.

Having the power to influence or convince
Powerfully persuasive
Appealing to the intellect or powers of reasoning; convincing: : valid.
Compelling, in a physical sense; powerful.
Having the power to compel conviction or move the will; constraining; conclusive; forcible; powerful; not easily reasisted.
Reasonable and convincing; based on evidence.
Forcefully persuasive.

Compelling by physical force; potent; irresistible by physical means.
Compelling assent or conviction; appealing powerfully to the intellect or moral sense; not easily denied or refuted: as, a cogent reason or argument.

Unwieldy, Momentous, Ponderous, Of import, Telling, Obese, Fat, Grave, Rotund, Grievous, Corpulent, Forceful, Important, Heavy, Cogent

Incontrovertible, Irrefutable, Pertinent, Plausible, Credible, Coherent, Eloquent, Compelling, Persuasive, Telling, Potent, Influential, Powerful, Weighty, Forceful

Unwieldy, Momentous, Ponderous, Of import, Telling, Obese, Fat, Grave, Rotund, Grievous, Corpulent, Forceful, Important, Heavy, Cogent

Incontrovertible, Irrefutable, Pertinent, Plausible, Credible, Coherent, Eloquent, Compelling, Persuasive, Telling, Potent, Influential, Powerful, Weighty, Forceful

PC, and its weighty action plays surprisingly on!
Most of those books were weighty Puritan works.
The foregoing developments seem weighty enough on paper.
Nothing can ever alter those four weighty aggravatingcircumstances.
As such, it serves a weighty public end.
Precedent is weighty in the Nigerian legal system.
The dissenters include weighty figures in both parties.
Many other weighty matters will also be raised.
Books about the Clash are typically weighty affairs.
Although my words were never so weighty, they could not be weighty enough to fitly describe your momentous peril!