韧 (w)

(rèn) annealed; pliable but strong; tough; tenacious

韧带 (w)

(rèndài) ligament

韧性 (w)

(rènxìng) toughness

韧皮部 (w)

(rènpíbù) phloem

韧体 (w)

(rèntǐ) firmware