Synonyms for Sever:

n.

drop, defriend, leave, break off, fall out, finish with, dump. carve, lop off, cut away, assemble, dissever, gouge out, cut out, chop off. part (noun)
study at separate.
sever (noun)
lop.

v.

cut apart (verb)
cut, detach, disconnect, disjoin, dissociate, disunite, rend, part, cleave, separate, slice, sunder, dissect, bisect, carve, dissever, divide, split.
dissociate (verb)
insulate, break off, disconnect, part, divide, sunder, divorce, cleave, rupture, alienate, fragment, disunite, segregate, uncouple, dismantle, partition, break, disjoin, split, rend, dissociate, disassociate, separate, excise, halve, disengage, detach.
halve (verb)
fissure, tear, branch, bifurcate, fork, slit.
separate (verb)
disarticulate, remove, slice, disintegrate, bisect, amputate, incise, disaffiliate, cut, rip, disassemble, Unglue, Unfix, pare, estrange, scissor, axe, dissect, unhinge.

Other synonyms:

dissever. carve. break open
rupture.
separate
dissever.
Other relevant words:
carve, lop, cut away, break off, dissever, leave, lop off, chop off.

Usage examples for sever

  1. If he could find ways and means to sever himself from that, he might live on here in peace. – Timar's Two Worlds by Mór Jókai
  2. St. Sever was the third " Bishop." – The Story of Rouen by Sir Theodore Andrea Cook