believe 0539 -- /aman -- hence, assurance, {believe}, bring up, 
establish, + fail,be faithful (of long continuance, stedfast, 
sure, surely, trusty,verified), nurse, (-ing father), (put), 
trust, turn to the right.

believe 0540 -- /aman -- {believe}, faithful, sure.

believe 0544 ** apeitheo ** not {believe}, disobedient, obey not,
 unbelieving.

believe 0569 ** apisteo ** {believe} not.

believe 3982 ** peitho ** agree, assure, {believe}, have 
confidence, be (wax)conflent, make friend, obey, persuade, trust,
 yield.

believe 4100 ** pisteuo ** {believe}(-r), commit (to trust), put 
in trust with.

believe 4102 ** pistis ** assurance, belief, {believe}, faith, 
fidelity.

believe 4103 ** pistos ** {believe}(-ing, -r), faithful(-ly), 
sure, true.

believe 4135 ** plerophoreo ** most surely {believe}, fully know 
(persuade), make fullproof of.

believeth 0571 ** apistos ** that {believeth} not, faithless, 
incredible thing,infidel, unbeliever(-ing).

unbeliever 0571 ** apistos ** that believeth not, faithless, 
incredible thing,infidel, {unbeliever}(-ing).