偶然
ぐうぜん · guuzen · JLPT N3 · noun
opportunity
🎲 偶 chance + 然 -ly (as in 自然) = by chance; sounds like goo-zen
然 is an adverb suffix meaning 'in that way', as in 自然 (naturally). 偶 means happening once in a while, so together they mean 'happening by chance'. Sound hook: guuzen, as in 'good zen': you take what comes.