thing - Simple English Wiktionary
thing is on the Basic English 850 List.
thin - thing - this
thing is one of the 1000 most common headwords.
they - thing - think
[change]
Singular thing
Plural things
People often use the word “thing” to talk about items in general, items that have no name, or items that are hard to describe. They sometimes use it to talk about items whose names they have forgotten.