Altercating

from The Collaborative International Dictionary of English v.0.48

Altercate \Al"ter*cate\, v. i. [imp. & p. p. {Altercated}; p.
   pr. & vb. n. {Altercating}.] [L. altercatus, p. p. of
   altercare, altercari, fr. alter another. See {Alter}.]
   To contend in words; to dispute with zeal, heat, or anger; to
   wrangle.
   [1913 Webster]