Englishfor English speakers
often
Adverb
—
When something happens often, that means that it happens many times and frequently.
I drink a lot of water and need to urinate often.
How often do you exercise?
I often visit my elderly aunt Grace.
It's often difficult to learn a new language.
used
—
adjective
employed in accomplishing something
the principle of surprise is the most used and misused of all the principles of war
— H.H.Arnold & I.C.Eaker
—
adjective
(= secondhand)
previously used or owned by another
bought a secondhand (or used) car
—
adjective
of persons; taken advantage of
after going out of his way to help his friend get the job he felt not appreciated but used