What's the difference between gummer and mummer?

Gummer

Definition:

(n.) A punch-cutting tool, or machine for deepening and enlarging the spaces between the teeth of a worn saw.

Example Sentences:

(1) Subsequently the quality of life review led by Zac Goldsmith and John Gummer took a less negative approach to nuclear power.
(2) September 12, 2015 Ben Gummer (@ben4ipswich) This is a serious moment for our country: the main opposition party would destroy our economy and threatens the security our nation.
(3) Gummer acknowledged that "most family barristers and solicitors are passionate about what they do and many are paid modestly."
(4) Remarks like those made by Gummer on BBC Radio 4's Today programme on Tuesday that "courts exacerbate the problem in family breakup" are neither constructive nor well-informed, and expose an unhealthy antipathy towards the court system.
(5) In May 2014, Sheikh and Rico joined Collard, Donnor and Gummer on the board of Hoxton Regeneration Limited, the company which bought the New Era estate.
(6) Senior Tories such as Lord Lamont and John Selwyn Gummer, or Lord Deben as he is now known, voiced serious free speech concerns over her plans for ministers to order universities to ban extremist speakers from campuses.
(7) Clarke's remarks were foreshadowed by Ben Gummer, Conservative MP for Ipswich, who last week launched an attack on the legal profession in the Times.
(8) Facebook Twitter Pinterest Former Conservative MP John Gummer, chair of the committee on climate change.
(9) Gummer said the cash would only be released after the government had time to consult victims.
(10) Meanwhile, the health minister responsible for negotiating with junior doctors, Ben Gummer, is under fire for wrongly telling a fellow Conservative MP that junior doctors can currently opt out of working at weekends and in the evenings and overnight.
(11) In a reply to Simon Burns, a health minister under the coalition, Gummer wrote: “We want to remove the opt-out from weekend, evening and night working in contracts for newly qualified hospital doctors, so that hospitals arrange their staff rotas evenly though the week and improve provision for junior doctors’ training.” However, the 45,000 junior doctors in England – all those below consultant level – do not have such a right.
(12) The BMJ authors themselves acknowledge that, and any debate about precisely how many of the thousands of deaths are avoidable misses the point,” Gummer said.
(13) Collard, Donnor and Gummer resigned from the company on 13 November 2014.
(14) The time is well overdue for ministers to listen to what junior doctors are telling them.” Health minister Ben Gummer said: “I am disappointed that the BMA has decided to put patients at risk by asking hardworking, responsible junior doctors to strike, without even negotiating on their behalf.
(15) The victims are dying,” McCartney said, “let’s not wait any longer.” Government refuses to increase payments to victims of contaminated blood scandal Read more Peter Bone, the Conservative MP for Wellingborough, said Gummer’s excuses for tabling the government’s statement in the Lords rather than the Commons were “not good enough”.
(16) People like George Young, James Arbuthnot or Peter Lilley , Stephen Dorrell; people that have done work for me, like John Gummer," Cameron said.
(17) Burnham called for a wide-ranging inquiry into the scandal to “get to the full truth of what went wrong”, but Gummer claimed it would slow down efforts to compensate victims.
(18) "Unlike soldiers, nurses and teachers, who are subject to a two-year pay freeze, these courageous lawyers need more cash," said Gummer.
(19) Ben Gummer, a junior health minister, was forced on Monday to defend the government’s plans to push back the release of £25m in financial support for those affected, despite a promise from the prime minister in March that the cash would be released immediately.
(20) Gummer has no need of such outlandish presumptions, since alternative proposals were set out in the consultation responses.