ruth (n.)
pity, compassion, sympathy
Cor I.i.195 [Martius to Menenius] Would the nobility lay aside their ruth / And let me use my sword
R2 III.iv.106 [Gardener to his men] Rue even for ruth here shortly shall be seen
Sonn 132.4 [of his lover's eyes] Looking with pretty ruth upon my pain
TC V.iii.48 [Troilus to Hector, of their swords] Spur them to ruthful work, rein them from ruth!