grit   ▶ (teeth) gukōmanya, kuzyēgenya
 (to avoid showing pain) gushinyanga, gushinyiriza
En-En dictionary 
gushinyiriza (-shinyirije)     v   ▶ 1. to endure, 2. to grit one's teeth to avoid crying out in pain
gushinyanga (-shinyanze)     v   ▶ to grit one's teeth to avoid showing pain
pain   ▶ igisigo, umubabaro, ububabare
 (sharp) umusōnga
 (to get relief from) kwōroherwa
 (to grit one's teeth to avoid showing) gushinyanga, gushinyiriza
 (to have) kubabara
 (to have severe) kurībwa
 (to suffer) gucumukura
(to suffer without complaint) kwīyumānganya
 (to take pains with) kwītōndera
En-En dictionary 
teeth   ▶ amēnyo (see also tooth)
(grinding of) insya z'amēnyo
 (very close together) impatane
 (to brush the) kwīnyugunura, kwīyugunyura
 (to get the first) kwēra
 (to grit) gukomānya, kuzyēgenya
 (to grit one's ~ to avoid showing pain) gushinyanga, gushinyiriza
 (to notch) guhongora
 (to pull) guhongora
En-En dictionary 
gukomānya (-komānije)     v   ▶ 1. to strike one against the other (as knees, etc., in fear or cold), 2. to grit teeth, 3. to put wood on fire
kuzyēgenya (-zyēgenye)   v   ▶ to grit teeth
inyankamugayo     3  class 3
singular: i-,in- ▶ (no pl.) 1. honesty, 2. righteousness, 3. blamelessness, 4. integrity