What's the difference between dissent and eristical?

Dissent

Definition:

(v. i.) To differ in opinion; to be of unlike or contrary sentiment; to disagree; -- followed by from.
(v. i.) To differ from an established church in regard to doctrines, rites, or government.
(v. i.) To differ; to be of a contrary nature.
(n.) The act of dissenting; difference of opinion; refusal to adopt something proposed; nonagreement, nonconcurrence, or disagreement.
(n.) Separation from an established church, especially that of England; nonconformity.
(n.) Contrariety of nature; diversity in quality.

Example Sentences:

(1) Faisal Abu Shahla, a senior official in Fatah, an organisation responsible for a good deal of repression of its own when it was in power, accuses Hamas of holding 700 political prisoners in Gaza as part of a broad campaign to suppress dissent.
(2) Looks like some kind of dissent, with Ameobi having words with Phil Dowd at the kick off after Liverpool's second goal.
(3) The grand patriarch, battling dissent and delusion, coming in for another shot, a new king on the throne, an impossible future to face down.
(4) "While it seems possible that more will join the two MPC dissenters in coming months if wage growth picks up, it looks a long way to go before a majority on the MPC vote to raise interest rates," he said.
(5) Pointing out that “the army has its own fortune teller”, he sounds less than happy at the state of affairs: “The country is run by superstition.” Weerasethakul is in a relatively fortunate position, in that his arcane films are not exactly populist and don’t depend on the mainstream Thai film industry for funding, but he has become cast as a significant voice of dissent in a difficult time .
(6) Malcolm Turnbull is facing a fresh outbreak of internal dissent over the proposal to recognise Indigenous Australians in the constitution before talks about the referendum on Thursday with the Labor leader, Bill Shorten.
(7) The "consultation" and "informed consent" the reports insist must take place before the project goes ahead are a sick joke in a region in which dissent is ruthlessly crushed and people are imprisoned and tortured simply for speaking their own language.
(8) Though his life was to be the embodiment of a secularised form of dissent, his high moral seriousness and egalitarianism surely had roots in this radical Protestant background.
(9) The Guardian view on Europe’s refugee crisis: a little leadership, at last | Editorial Read more This has led not only to public criticism from protesters on the far right, but also to dissent within her own party.
(10) Mugabe and his Zanu-PF thugs, terrified of losing their empire, unleashed a carefully targeted anarchy at anyone who showed the slightest sign of dissent.
(11) David Cameron is said to be willing to endure three final months of political controversy to push the health bill through parliament, but is convinced there is no serious dissent in his cabinet, parliamentary party or in the country at large.
(12) Twitter has become pivotal in organising anti-government dissent in the past year: the Occupy Gezi movement, which marches against the recently passed internet censorship bill that allows the government to block any content within four hours without a court order, and the massive street protest and the funeral attended by hundreds of thousands after the death of 15-year-old Berkin Elvan , were initiated via social media.
(13) The report explains that the Labour peer and Lib Dem advisor based their dissent on three factors: The first factor is devolution.
(14) The protests this week have resulted in fewer deaths than the previous week, in a sign the regime may be trying to calm dissent, according to latest reports.
(15) Come to that, in a Westminster week where only Syria has displaced allegations of horrifying bullying in the Conservative youth wing – which involve a young man taking his own life – we surely do a disservice to the victims most in need of our help if we fail to make a distinction between bullying and dissent.
(16) The mourning period has caused controversy – while many laud him for his contributions to building Singapore into a wealthy city state, others have criticised his rule as one where the media was controlled and dissent was crushed.
(17) From the back, however, there was the voice of dissent.
(18) One of Corbyn’s reshuffle aims, according to advance briefings, was to bring more unity to the shadow cabinet and Dugher’s serial dissent seems to have sealed his fate.
(19) He brooks no dissent or opposition and muzzles media outlets that dare question the wisdom of his rule.
(20) But he always agonised over his dissent - during a particularly fraught debate about selling the government-owned telecommunications company Telstra in 2009 – where he wielded a decisive vote, he took himself to hospital with chest pains.