The term "love child" can sometimes carry negative connotations, implying that a child is born out of wedlock and the result of an affair. As a result, there are many synonyms that can be used to describe this type of situation. Some common alternatives include "illegitimate child," "surprise child," "accidental child," or simply "child born out of wedlock." Other phrases that can be used to convey the same meaning include "non-marital child," "bastard child," or "child of an extramarital affair." It's always important to be sensitive when referring to children and their families, so consider the connotations of words carefully before using them.