Leaders Manchester City have drawn in the Women's Super League for the first time this season after being held nil-nil by lowly Aston Villa.
Their advantage at the top is now nine points over Manchester United.
Arsenal - in fourth - were 2-nil winners at London City Lionesses.
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Fifth-placed Tottenham were beaten 2-1 at home by Everton, who climb to sixth.
Liverpool are up to tenth after getting past bottom side Leicester 2-nil.