This is the 5676th most frequent Japanese word.
ずし
"ずし" can mean "sushi" (as in types of sushi like 押しずし, pressed sushi) or "図志," which could refer to a visual guide or depiction, depending on the context.
Here, "ずし" is part of the word "寿司" (sushi), a traditional Japanese dish.
私は寿司が好きです。
I like sushi.
Here, "ずし" refers to a specialized type of sushi prepared or served in the mountains.
登山部長は山ずしで昼食をとりました。
The hiking club leader had a meal at the mountain sushi store.
Here, "ずし" is used metaphorically to describe the pressing action associated with making sushi.