kuyobera (-yobeye)   v    1. to not know, 2. to be unknown
kuyoberana (-yoberanye)   v    to be unknown
kuyoberanya (-yoberanije)   v    to make unrecognizable
know    kumenya, -zi, kuzirikana
(another's thoughts completely) kuvōgera
(facts of a case) guhinyura
(for certain) kujījūka
(to not ~) kuyobera, kuyoberwa
(to not ~ what to do) mwījījānya, kurīgānirwa
(to try to ~ something) kugenzūra
(one who knows more than is expected of him) akagūgu
En-En dictionary 
unknown    (to be) kuyoberana, kuyobera
En-En dictionary 
unrecognizable    (to make) kuyoberanya
En-En dictionary