Lagniappe and One-way

Lagniappe noun - Something given in addition to what is ordinarily expected or owed.

One-way and lagniappe are semantically related In some cases you can use "One-way" instead a noun "Lagniappe".

One-way adjective - Moving or permitting movement in one direction only.

Lagniappe and one-way are semantically related in gratuity paid topic. Sometimes you can use "Lagniappe" instead a noun phrase "One-way".