What's the difference between hesitation and mammer?

Hesitation

Definition:

(n.) The act of hesitating; suspension of opinion or action; doubt; vacillation.
(n.) A faltering in speech; stammering.

Example Sentences:

(1) It appeared Dunaway and Warren Beatty had an envelope containing a card naming a previous award won by La La Land, prompting visible hesitation between the two veteran actors before Dunaway went ahead and named La La Land.
(2) Nocturia (OR 1.8) and hesitancy (OR 4.3) were found to be predictive of surgery for younger men (age range 49-55), while only nocturia (OR 2.4) was predictive among older men (age range 62-68).
(3) Maybe this will be increasing the frequency of patrols, or going to places that the Obama administration has been hesitant to go – such as actually undertaking a non-innocent passage military patrols within 12 miles of an artificial island.
(4) The standards committee report by a cross-party group of MPs said it "deplored" stings but would "not hesitate to act in such cases if wrongdoing had occurred".
(5) The Senate’s economic references committee accused Asic of missing or ignoring persistent signs of wrongdoing , characterising it as a “timid, hesitant regulator” that was too ready to uncritically accept assurances of a large institution that there were no grounds for intervention.
(6) April 16, 2014 The hesitancy – or unwillingness – of Ukrainian troops to use their weapons has produced multiple awkward confrontations with civilian crowds Wednesday, including one in Pchyolkino south of Kratamorsk, which seems still to be unresolved after an hours-long standoff.
(7) He "jumped without hesitation", said official sources quoted in the Daily Breeze.
(8) But the character – compounded of piercing sanity and existential despair, infinite hesitation and impulsive action, self-laceration and observant irony – is so multi-faceted, it is bound to coincide at some point with an actor’s particular gifts.
(9) The Clinton campaign manager also hesitated when asked if any of his staff had access to Sanders’ records, saying he was sure no one had “reached into Bernie Sanders’ data and extracted it in the way that the Bernie Sanders campaign did this week”.
(10) Their hesitations are focusing in on provisions to cut more than $800bn from the Medicaid budget by phasing out the expansion of the program that had brought healthcare coverage to an extra 11 million adult Americans.
(11) Photograph: Alamy While most politicians would have immediately sent for the drillers, Acosta hesitated.
(12) For instance; hesitant to go to a hot spring, or on a trip with friends (76%), hesitant to go to a clinic or a hospital for physical check-ups and common illness (74%), troublesome to wear special underwear (69%), inconvenient because ordinary clothes cannot be worn (56%), distressed when viewing own body (52%), unable to dress in thin clothes in hot summer season (50%), imbalance of the breasts (49%), inconvenient to participate in sports (47%).
(13) Few would hesitate to allow their data to be used in a project that could improve outcomes for everyone.
(14) But Fallon said that “ we would not hesitate ” to kill others whom the UK understands to represent active terrorist threats, all without disclosing the evidence justifying that designation or subjecting it to scrutiny.
(15) Fox himself has seemed a little hesitant on the few occasions he has answered questions about Werritty.
(16) The referring physician should not hesitate to ask for perioperative mortality statistics from the referral center.
(17) Ms Williams's name will already be familiar to many gay rights campaigners courtesy of a memorable speech on same-sex relationships, in which she applauded Jamaica's criminalisation of what her sect considers a curable aberration, a diagnosis she did not hesitate to apply to Tom Daly.
(18) Then Jake Connor, an 18-year-old who replaced Scott Grix for only his second senior appearance and looked admirably composed from the start, exploited some hesitant defence down Warrington's left to ground the ball in an Atkins tackle.
(19) A statement issued by the North Korean military warned that it would carry out "strong physical retaliations without hesitation if South Korean warmongers carry out reckless military provocations".
(20) Transsexuals who had not undergone surgery, although it had been offered to them providing they fulfilled the usual requirements, were classified into various subgroups, measured according to their attitude towards sex reassignment surgery: they were transsexuals with an unaltered wish for surgery, transsexuals who were ambivalent towards surgery (hesitating patients), and transsexuals who had relinquished their wish for surgery and lived in the initial gender role.