Tappo vs. sughero
The Italian words tappo and sughero are both related to the concept of a stopper or cork, but they have distinct meanings and uses.
Tappo
A2Tappo is a general term for any kind of stopper, cap, or plug used to seal containers.
Il tappo della bottiglia è caduto.
(The bottle cap fell off.)
Usa un tappo di gomma per chiudere il lavandino.
(Use a rubber stopper to close the sink.)
Ho perso il tappo del serbatoio della macchina.
(I lost the car's gas tank cap.)
Sughero
B1Sughero specifically refers to cork, the material obtained from the cork oak tree, often used as a stopper for wine bottles.
Questa bottiglia di vino ha un tappo di sughero.
(This wine bottle has a cork stopper.)
Il pavimento è fatto di sughero naturale.
(The floor is made of natural cork.)
Ho comprato una bacheca di sughero per il mio ufficio.
(I bought a cork bulletin board for my office.)
Summary
While tappo is a broad term for any type of stopper or cap, sughero specifically refers to cork material. Tappo can be made of various materials and used for different purposes, whereas sughero is a natural material with specific uses, most commonly known for sealing wine bottles.