leftest

left +‎ -est

leftest

1. superlative form of left: most left
   • 1966, Discourse; a review of the liberal arts (volume 9, page 219)

     A writer may, in only one work, take a strong position on socialized medicine, and he is immediately stacked on the shelf with the leftest writers.

leftest

1. (archaic) second-person singular simple past form of leave
   • Jeremy Taylor

     For when man sinned, and listened to the whispers of a tempting spirit, and refused to hear the voice of God, thou didst throw him out from paradise, and sentest him to till the earth; but yet leftest not his condition without remedy […]

• feltest, fettles