Aud (hear)
Aud
Latin audire: to hear.
The audience clapped after Sana's song.
Audience
The people who listen or watch.
The audience laughed at the funny play.
Audible
Loud enough to be heard.
Arjun's whisper was barely audible.
Remember: Aud = hear: audio, audition, auditorium. Audible ends in -ible, not -able.