tern / terne / turn [tɜrn]
tern – n. – seabirds of the genus Sterna, similar to gulls but more slender, graceful, with long pointed wings and a forked tail, a sea swallow; 2. a set of three
terne – n. – sheet iron or steel coated with an alloy of about four parts lead to one part tin; v. – to coat with an alloy of alloy and tin
turn – n. & v. – n. – 1. a change in direction; 2. a result or change; 3. a brain disease in sheep and cattle caused by an hydatid, also the diseased animal; v. – 1. rotate, revolve, change direction; 2. be concerned about a given topic or area; 3. form or build