Translation guide
To give up or let go of something you own, often reluctantly or for a price.
To give something you own to someone else, especially when you don't really want to or when selling it.
The most direct equivalent. Means to let go of something you own, often with a sense of reluctance or necessity. Used for both selling and giving away.
I parted with many books because of the move.
I just can't part with this painting.
To hand over or transfer something to someone else. Can be used for giving up a seat, a right, or a possession. Often implies a willing transfer, but can be used for reluctant parting in context.
He parted with his collection to a friend.
Simply means 'to sell'. Use when the focus is on the transaction rather than the emotional aspect of parting.
I parted with my old car (by selling it).
Same reading as 手放す but a less common kanji variant. Can also mean to physically let go of something from your hand.
He finally parted with that land.
To leave or be separated from someone, often with sadness.
To spend or sacrifice something like money or time, often reluctantly.
Do not translate 'part with' literally as 部分と (bubun to) or similar. It is an idiomatic phrasal verb meaning to give up or let go.
家族と離れて暮らしている。
I live apart from my family.
そのプロジェクトに多くの時間を費やした。
I parted with a lot of time on that project.