Virago, amazon, termagant, scold, shrew, vixen can all mean a woman of pugnacious temperament.
Virago and amazon are often interchangeable; both tend to suggest physical vigor and size and often a masculine quality of mind or interests and both may apply to a woman engaged in typically masculine pursuits and especially fighting.
Distinctively virago can imply fierceness of temper and a domineering nature while amazon is more likely to suggest heroic qualities (as of dedication and competence).
Termagant carries a strong implication of habitual disorderly turbulence, boisterousness, and uncontrollable temper.
Scold , shrew , and vixen designate women who habitually inflict their bad temper on others.
A scold indulges herself in vulgar, abusive, and often castigating speech while a shrew possesses a bitter tongue and a nagging disposition and a vixen , a fiery temperament and often a tendency to snappish asperity.