different between placative vs placatory

English

placate +? -ive

placative (comparative more placative, superlative most placative)

(chiefly US) That placates; pacifying.
- 1914, Booth Tarkington, Penrod, ch. 21:
  Penrod's answer, like the look he lifted to the impressive stranger, was meek and placative.
- 1931, William Faulkner, Sanctuary, Vintage 1993, p. 64:
  Temple entered the dining-room from the kitchen, her face fixed in a cringing, placative expression [...].

placatory (comparative more placatory, superlative most placatory)

That placates; pacifying.
- 1980, Marguerite Johnson et al., "Trying to Tighten the Noose," Time, 27 Oct.:
  While placatory on the hostages, Raja'i dismissed any possibility of a ceasefire in the war.

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