honor-, hono-, honest-

(Latin: honor, honesty)

dishonest
dishonestly
dishonesty
dishonor
dishonorable (adjective)
dishonorableness
dishonorably
Fax mentis honestae gloria.
Glory is the light of a noble mind.
honest
Honestas et diligentia.
Honesty and diligence.

Motto of Suffolk University Law School, Boston, Massachusetts, USA.

honestly
honesty
honorableness
honorably
honorarium (s) (noun), honoraria (pl)
Gratuity or financial gift: "After her speech, the guest lecturer was awarded an honorarium in addition to her travel expenses."

"Honoraria are payments or fees presented for professional services on which no fixed prices were set."

"The term honorarium is a short form of honorarium donum, 'a present made on being admitted to an honor'."