retire ~ retreat
[different pronunciation]

retired from work/business
“Retire” (verb; for the right pronunciation, please click here) is ‘to withdraw from one’s career, or stop working at one’s job, profession, usually because of old age or other physical or mental problems; to go to bed at the end of the day; to go to a quiet place, especially for privacy’,
e.g.
Though he retired as a teacher, he continued to write books for some extra income.
I’m tired; let’s retire to bed early. Tomorrow will be a busy day for all of us.
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military retreat
“Retreat” (verb; for the right pronunciation, please click here) is ‘to withdraw from an attack, usually of an army; to go away or draw back in order to escape from something unpleasant or some dangerous pursuit’; and as a noun, it is ‘the act of withdrawing from an attack or something unpleasant’,

spiritual/health retreat
e.g.
The troops (soldiers) were so determined that they refused to retreat though there were many casualties on their side.
The defeated army beat a retreat into the mountains.
The nuns and monks spend a lot of time on retreat praying or studying new approaches.
