What's the difference between impound and impoundage?

Impound

Definition:

(v. t.) To shut up or place in an inclosure called a pound; hence, to hold in the custody of a court; as, to impound stray cattle; to impound a document for safe keeping.

Example Sentences:

(1) Although the available pre-impoundment data is inadequate to make a definite conclusion of the impact of the lake formation on the status of onchocerciasis in the area, it is apparent that here, as in most other parts of the country, the prevalence, manifestations, complications and public health significance of onchocerciasis justify the ongoing campaign for the urgent implementation of a nation-wide onchocerciasis control programme in Nigeria.
(2) Average CR values for plants growing on exposed tailings and within one meter from the impoundment edge were 0.15 and 0.3, respectively.
(3) This experimental model, which results in severe paraplegia and development of complete segmental necrosis, was studied in a time sequence varying from immediately to 30 days afterward by electron microscopy, in order to characterize the pathologic changes in axons and myelin in the area of impounding.
(4) Bundy is accused of recruiting hundreds of supporters to his ranch in 2014, where the US bureau of land management was making arrangements for his cattle to be impounded due to unpaid grazing fees and fines dating back to 1998.
(5) The more water we impound, the more power we produce, the less support we require," said Mark Shorrock, chief executive of Tidal Lagoon Power.
(6) Research and management experience have demonstrated that Rotational Impoundment Management (RIM) and rotary ditching can provide ecologically sound source reduction benefits.
(7) The FSA confirmed that meat held in cold storage in Northern Ireland has been impounded after it was discovered to contain equine DNA.
(8) His computer has been impounded as part of the paper's internal investigation and the company is trawling through his emails.
(9) Biomphalaria pfeifferi which transmits S. mansoni were found principally in streams and impoundments like dams but scarce in rivers.
(10) The undesirable effect due to heavy impounders is discussed.
(11) Mosquito populations persist at very low levels over a 10-year period with no evidence of mosquito development in the impoundment.
(12) He was accused of paying a $25,000 bribe to a government official for the release of bombproof cars that had been impounded.
(13) In addition, determinations of the contribution of such variables as mass of drop-weight, impounder diameter, and animal weight to variability were made.
(14) Shortly after, the police impounded my wife’s passport with no grounds whatsoever.
(15) The impounded lumber is sold in auctions and the money obtained is invested in environmental preservation programmes.
(16) Most of the measured parameters were indistinguishable from background after a distance of 3.3 km from the tailings impoundment.
(17) A 2.4-mm-diameter impounder was lowered onto the dura and a 10-g weight dropped 0.0, 2.5, 5.0, 7.5, 10.0, or 17.5 cm onto the impounder.
(18) They also considered “impoundment,” but it had already been used for something else.
(19) Weetabix impounded – Hundreds of boxes of Weetabix bound for an expats store in New Zealand have been impounded by customs officials at the behest of a rival cereal giant.
(20) The sites included an upland impounding reservoir, 3 rivers and 10 streams within Lancashire and Cheshire, selected because of their accessibility to farm livestock.