Modifiers matching corner:

• exposed,
• rounded,
• hidden,
• inside,
• sharp,
• quiet,
• nearby,
• outside,

Simple categories matching quiet:

• activity,
• animal,
• area,
• mind,
• vehicle,
• time,
• thing,
• practice,
• game,
• location,
• works,
• stuff,
• period,
• hours,
• room,
• performer,
• night,
• pet,
• day,
• sound,
• car,
• place,
• recreation,
• object,
• inactivity,
• environment,
• operation,
• part,
• work,
• weapon,
• times,
• center,
• space,
• water,
• event,
• facility,
• structure,
• season,
• experience,
• job,
• spot,
• exercise,
• toy,
• corner,
• bay,
• noise,
• play,
• use,