Soft corner is a phrase that is often used to describe someone's liking or fondness for a particular thing or person. There are many synonyms that can be used to describe this feeling of warmth or affection. Some common alternatives include a soft spot, a weak spot, a fondness, a liking, an attachment, a preference, an inclination, a bias, or a penchant. Each of these words can be used interchangeably with soft corner to convey the same sentiment of having a special affinity or affection for someone or something. Whether it's a person, an object, or an idea, there are many ways to express one's love and admiration.