The Collaborative International Dictionary of English v.0.48:

Effet \Ef"fet\, n. [See Eft, n.] (Zo["o]l.)
   The common newt; -- called also asker, eft, evat, and
   ewt.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Evet \Ev"et\, n. [See Eft, n.] (Zo["o]l.)
   The common newt or eft. In America often applied to several
   species of aquatic salamanders. [Written also evat.]
   [1913 Webster]