merimnao (Greek #3309)
to be anxious about
KJV usage: (be, have) care(-ful), take thought.
Pronounce: mer-im-nah'-o
dunamai (Greek #1410)
to be able or possible
KJV usage: be able, can (do, + -not), could, may, might, be possible, be of power.
Pronounce: doo'-nam-ahee
Origin: of uncertain affinity