Offspring and Small fry

Offspring noun - The descendants of a person, animal, or plant.

Small fry and offspring are semantically related In some cases you can use "Small fry" instead a noun "Offspring".

Small fry noun - A young person of either sex.

Offspring and small fry are semantically related in child topic. Sometimes you can use "Offspring" instead a noun phrase "Small fry", if it concerns topics such as very young person.