flex   ▶ (joint) kugōnda, gukonya
En-En dictionary 
kunōnōka (-nōnōtse)     v   ▶ 1. to be healthy, have vitality, 2. to be supple, strong (as rope), 3. to be flexible, 4. to be comfortable, 5. to have virility, to be manly, to be homosexual (gay)
kunōnōra (-nōnōye)     v   ▶ to make supple, flexible
kunyoganyoga (-nyoganyoze)     v   ▶ 1. to shake, to wobble, to waddle, 2. to be flexible
flexible   ▶ (to be) kunōnōka, kunyoganyoga
En-En dictionary