As nouns the difference between ohs and oms
is that ohs is plural of lang=en while oms is plural of lang=en.
As an acronym OMS is
orbital Maneuvering System — NASA terminology for orbital maneuvering rockets.
ohs
English
Noun
(head)
Anagrams
*
oms
English
Noun
(head)
Anagrams
*
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