American 'troops' fighting overseas
a 'troop' of enthusiastic children
The kids 'trooped' off to school.
(..) ...which he stood seized of to the conqueror Now sir, young Fortinbras, of unimproved mettle hot and full... ...hath in the skins of Norway here and there sharked up a troop of lawless resolutes For to recover of us by strong hand those foresaid lands so by his father lost And this, I take it, (..)2015 Hamlet