also: づく
relying entirely on; using solely
Attaches to nouns to express doing something by relying exclusively on that thing, often with a nuance of single-mindedness or lack of other resources.
He succeeded in this job relying entirely on his experience.
Trying to solve it solely with money is not good.
with the sole purpose of
Attaches to nouns to indicate that the action is done for that purpose alone, often implying determination or exclusivity.
He works with the sole purpose of getting promoted.
based on (mutual consent, etc.)
Used with nouns like 話し合い (discussion) or 合意 (agreement) to mean something is done on the basis of that mutual understanding.
Let's decide based on mutual discussion.
He solved the problem by brute force alone.
The two of them decided to separate based purely on mutual discussion.
power of money; using money as a weapon
by mutual consent; with full knowledge and agreement
Standard kanji spelling for this suffix.
Kana spelling is common, as It is usually written in kana.
Alternate reading; used after certain nouns due to rendaku.
Irregular okurigana usage; less common than 尽く.
Derived from the verb 尽くす (つくす, to exhaust or devote entirely). The suffix ずく/づく attaches to nouns to convey the idea of doing something exhaustively or exclusively with that thing.