Puffin and Seafowl

Puffin noun - Any of two genera of northern seabirds having short necks and brightly colored compressed bills.

Seafowl and puffin are semantically related. In some cases you can use "Seafowl" instead a noun "Puffin".

Seafowl noun - A bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc..

Puffin and seafowl are semantically related. Sometimes you can replace term "Puffin" with "Seafowl", this nouns are similar.