✅ Scent refers to a distinctive smell, often pleasant (The scent of fresh flowers filled the room).

✅ Redolence means a fragrance or smell that brings back memories or associations (The redolence of pine trees reminded him of winter holidays).

✅ Both words describe pleasant smells.

✅ Scent is the more common term, while redolence has a poetic or nostalgic nuance, often evoking memories (The scent of the woman’s perfume lingered in the air; The redolence of old books made me feel nostalgic).

✅ Rarely means something happens only occasionally, not often (She rarely goes out to eat).

✅ Infrequently also means happening occasionally or at wide intervals, but it can refer to something more measured or scheduled (The train runs infrequently during the holidays, so passengers often wait a long time).

✅ Both words describe events that don’t happen often.

✅ Rarely tends to describe spontaneous, irregular events, while infrequently tends to be more formal and can apply to planned activities that don’t occur often (I rarely take sick days at work; The meeting is held infrequently, scheduled once a quarter).

✅ Fragile means easily broken or damaged (The fragile vase shattered when it fell).

✅ Frangible refers to something that is breakable or prone to breaking under pressure (Frangible materials are often used in safety tests because they break upon impact).

✅ Both words describe things that can be easily broken.

✅ Fragile is more commonly used for delicate objects, while frangible is more technical, often used in scientific or safety contexts (The fragile glass was carefully wrapped; Frangible bullets are designed to shatter on impact).