What's the difference between heave and heaver?

Heave

Definition:

(v. t.) To cause to move upward or onward by a lifting effort; to lift; to raise; to hoist; -- often with up; as, the wave heaved the boat on land.
(v. t.) To throw; to cast; -- obsolete, provincial, or colloquial, except in certain nautical phrases; as, to heave the lead; to heave the log.
(v. t.) To force from, or into, any position; to cause to move; also, to throw off; -- mostly used in certain nautical phrases; as, to heave the ship ahead.
(v. t.) To raise or force from the breast; to utter with effort; as, to heave a sigh.
(v. t.) To cause to swell or rise, as the breast or bosom.
(v. i.) To be thrown up or raised; to rise upward, as a tower or mound.
(v. i.) To rise and fall with alternate motions, as the lungs in heavy breathing, as waves in a heavy sea, as ships on the billows, as the earth when broken up by frost, etc.; to swell; to dilate; to expand; to distend; hence, to labor; to struggle.
(v. i.) To make an effort to raise, throw, or move anything; to strain to do something difficult.
(v. i.) To make an effort to vomit; to retch; to vomit.
(n.) An effort to raise something, as a weight, or one's self, or to move something heavy.
(n.) An upward motion; a rising; a swell or distention, as of the breast in difficult breathing, of the waves, of the earth in an earthquake, and the like.
(n.) A horizontal dislocation in a metallic lode, taking place at an intersection with another lode.

Example Sentences:

(1) When asked why the streets of London were not heaving with demonstrators protesting against Russia turning Aleppo into the Guernica of our times, Stop the War replied that it had no wish to add to the “jingoism” politicians were whipping up against plucky little Russia .
(2) Philip Rivers intercepted on a slightly less deep heave in Washington!
(3) Principal ponies had a history of heaves, a disease characterized by recurrent airway obstruction.
(4) According to the CDC, a third of primary care doctors and nurses heave never even heard about PrEP.
(5) Far from being depressed, the audience turned into a heaving mass of furious geeks, who roared their anger and vowed that they would not rest until they had brought down the rotten system The "skeptic movement" (always spelt with "k" by the way, to emphasise their distinctiveness) had come to Singh's aid.
(6) And a woman in front of me said: “They are calling for Fox.” I didn’t know which booth to go to, then suddenly there was a man in front of me, heaving with weaponry, standing with his legs apart yelling: “No, not there, here!” I apologised politely and said I’d been buried in my book and he said: “What do you expect me to do, stand here while you finish it?” – very loudly and with shocking insolence.
(7) Identification of the physiologic importance of these mediators in the heaves syndrome or other potential equine allergic syndromes may contribute both to the basic understanding of the pathogenesis of allergy, as well as suggest possible avenues for control.
(8) When they reached the car, Amburn was heaved into the boot and driven all the way back to Roland's house by the Chiemsee lake, near the Austrian border, where he was kept locked in a makeshift basement cell for four days.
(9) I arrived at 3.45pm local time (3pm UK), nearly five hours before kick-off, and the press room was already heaving - few are prepared to take any risks with the Johannesburg traffic, especially after an official bus took four hours to get from Sandton to Soccer City on the opening day.
(10) Roth is hardly short of awards, but it's bad luck that he should have chosen to put away his pen just as a new British literary prize heaves into view.
(11) Two key opposition cities, Deraa in the south, where the uprising began, and Homs near the Lebanese border, which has become the centre of the nine-month revolt, were heaving with demonstrators chanting anti-regime slogans and waving a national flag last flown before the Assad clan swept to power in Syria more than 40 years ago.
(12) On top of the succession, that child would be the first direct female link to not only the heaving emotional tsunami that was Diana, but also the cloying sense of public ownership of Diana.
(13) Gawain grips the axe and heaves it heavenwards, plants his left foot firmly on the floor in front, then swings it swiftly towards the bare skin.
(14) There had been parallels with Munich to all this, the Londoners parachuted into enemy territory with the vast majority hostile within a heaving crowd, though there was to be no magical finale.
(15) His little tummy just heaved and heaved until he stopped.
(16) Their rejigged back line, sometimes suspect, heaved and succeeded in retaining the clean sheet.
(17) With Clegg and Cameron threatening to colonise Blair-style a huge share of the political spectrum, can anyone come up with something more convincing than either one last New Labour heave or the usual leftist pieties?
(18) Little wonder Robert Dowler broke down as they were read aloud, his shoulders heaving as he sobbed in the witness box.
(19) Plus bleacher seats for a cheering section.” For every David Byrne or Taylor Swift critiquing the new pay model, there are acts such as Detroit’s Death who are experiencing a career renaissance, thanks to music obsessives who trawl through back catalogues and share them in a noisy, heaving, digital jungle.
(20) So there I am, literally heaving with desire for him and suddenly his head is between my thighs.