-ums

from The Collaborative International Dictionary of English v.0.48
Monopodium \Mon`o*po"di*um\, n.; pl. L. {Monopodia}, E. {-ums}.
   [L. See {Monopody}.] (Bot.)
   A single and continuous vegetable axis; -- opposed to
   {sympodium}.
   [1913 Webster]
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
UMS
       Unified Messaging System
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