Best-loved and Number one

Best-loved adjective - Preferred above all others and treated with partiality.

Number one and best-loved are semantically related. in preferred topic. In some cases you can use "Number one" instead an adjective phrase "Best-loved".

Number one adjective - Coming before all others in importance.

Best-loved and number one are semantically related. Sometimes you can use "Best-loved" instead an adjective phrase "Number one".