YES

(VAR x y)
(RULES
  f(x) -> a()
  g(x,y) -> a()
  h(x,y) -> a()
)

(COMMENT
Termination is shown by ELPO with interpretations on natural numbers

  h_A(x1,x2) = x1
  f_A(x1) = x1
  g_A(x1,x2) = x1 + x2 + 1
  a_A = 0
  h#_A(x1,x2) = x1 + x2
  f#_A(x1) = x1
  g#_A(x1,x2) = x1 + x2
  a#_A = 0

and precedence:

g > h > f > a
)