What's the difference between tun and tunk?

Tun

Definition:

(n.) A large cask; an oblong vessel bulging in the middle, like a pipe or puncheon, and girt with hoops; a wine cask.
(n.) A fermenting vat.
(n.) A certain measure for liquids, as for wine, equal to two pipes, four hogsheads, or 252 gallons. In different countries, the tun differs in quantity.
(n.) A weight of 2,240 pounds. See Ton.
(n.) An indefinite large quantity.
(n.) A drunkard; -- so called humorously, or in contempt.
(n.) Any shell belonging to Dolium and allied genera; -- called also tun-shell.
(v. i.) To put into tuns, or casks.

Example Sentences:

(1) Tun Lwin, the retired director general of Myanmar's meteorology department told the Associated Press: "We are out of danger and the impact of the cyclone is almost over.
(2) Mohd Najib Tun Razak (@NajibRazak) " @MAS have already spoken to the families of the passengers and crew to inform them of this development."
(3) Wu Tun 吴吞 (@wu_tun) @aiww use mine, more than happy to make it.
(4) Photograph: Oval Partnership In the early 2000s, when enclosed malls were the standard, architect Chris Law of the Oval Partnership proposed an “open city” concept for San Li Tun, an area in Beijing’s central business district.
(5) Patients who appear to respond best to high branched-chain amino acid (BCAA) solutions have been previously described by objective measurements such as total urinary nitrogen (TUN) excretion, oxygen consumption index (O2Cl), plasma lactate, plasma pyruvate, plasma glucose (PG) and urinary 3-methylhistidine.
(6) This dramatically reduces labor and overall costs for TUN determinations, while providing a more accurate and economical assessment of nitrogen excretion than UUN in a clinical setting.
(7) March 24, 2014 Mohd Najib Tun Razak (@NajibRazak) "Using a type of analysis never before used in an investigation of this sort,they have been able to shed more light on MH370’s flight path."
(8) Communities are not getting enough of a say in the process when the pubs they treasure are threatened by closure or change of use.” John Harrison, who lives in the south Cambridgeshire village of Guilden Morden, is among the leaders of an ongoing campaign to save the village’s Three Tuns pub and agrees that ACV status has yielded mixed results.
(9) The prevalence of mottled enamel (dental fluorosis) was investigated among children, aged 6 to 15 years, in Chung-hsing New Village and in Tsao-tun Village.
(10) Mohd Najib Tun Razak (@NajibRazak) I will be making a statement on #MH370 at 10pm Malaysian time tonight at PWTC.
(11) An unusual B-cell proliferation was noted in an individual (Tun) which was characterized by the presence of two separate populations of chronic lymphocytic leukemia (CLL) cell staining on the surface and in the cytoplasm for either IgG(k) or IgA(k).
(12) For both normal and hospitalized populations, nitrogen balance calculated from UUN data exceeded that calculated from TUN data.
(13) With only one exception in Tsao-tun, none of the children in the two groups showed mottling in the "moderate" or "severe" classes.
(14) #MH370 March 24, 2014 Mohd Najib Tun Razak (@NajibRazak) "We share this information out of a commitment to openness & respect for the families, two principles guiding this investigation."
(15) Triggering of effectors, as monitored either by incorporation of 32P into phosphatidylinositol or by transmethylation of phosphatidylcholine, was similar for the positive control YAC-1, STC, TUN, and LTC, whereas ASC appeared to be defective in triggering effectors.
(16) #MH370 March 24, 2014 Mohd Najib Tun Razak (@NajibRazak) "Inmarsat, that provided the satellite data which indicated the northern & southern corridors,has performed further calculations" March 24, 2014 Mohd Najib Tun Razak (@NajibRazak) "Based on their new analysis, Inmarsat & the AAIB concluded that the last position of #MH370 was in the middle of the Indian Ocean."
(17) March 24, 2014 Mohd Najib Tun Razak (@NajibRazak) "With deep sadness and regret I must inform you that, according to this new data, flight #MH370 ended in the southern Indian Ocean."
(18) Total urinary nitrogen (TUN) and urinary urea nitrogen (UUN) in a 24-hour urine collection were measured under a variety of clinical and nutritional conditions in 81 patients for 564 study days.
(19) The efficiency of measuring 24-hr urine urea-nitrogen (UUN) and total urine nitrogen (TUN) in patients on general wards was measured.
(20) TUN determined by chemiluminescence evidently provides a simple means of calculating nitrogen balance more nearly accurately.