enragé, fem. enrageé (Fr.), desperate: a lunatic.
en rapport (Fr.), in direct relation: in sympathy with.
en règle (Fr.), in due order: according to rules.
en retraite (Fr.), in retirement, on half-pay.
en revanche (Fr.), in revenge.
en route (Fr.), on the road: let us go! march!
en spectacle (Fr.), as a spectacle.
ens per accidens (Late L.), that which exists only as an accident of ens per se—i.e. a substance.
ens rationis (Late L.), an entity of reason—opposed to ens reale.
en suite (Fr.), in succession [the sense 'to match' is not French].