I searched the Bible (New International Version) using
BibleGateway.com: A searchable online Bible in over 50 versions and 35 languages. for the words 'soul' and 'spirit'.
It came up with 136 instances for the word 'soul' and 569 instances for the word 'spirit'.
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In general, it appears, at least in the New International Version, that the idea of 'soul' sometimes refer to the inner self of a person while physically living and the idea of 'spirit' sometimes refer to a disembodied person (physically dead).
This does not always hold true for the idea of 'soul' seems to be sometimes used synonymously with 'person' (whether physically living or not).
And the word 'spirit' also seems sometimes used in the other senses that we do in language, like "he has a different spirit", "in high spirits", "in him is the spirit", and so on.
To further complicate matters, both 'soul' and 'spirit' seems to sometimes even be used interchangeably.
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At least two verses looks suggestive of soul being not the same as the body:
Psalm 42:11 Why are you downcast, O
my soul?
Why so disturbed
within me?
Put your hope in God,
for I will yet praise him,
my Savior and my God.
Matthew 10:28 Do not be afraid of those who
kill the body but cannot kill the soul. Rather, be afraid of the One who can
destroy both soul and body in hell.
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This verse looks suggestive of spirit and soul being different.
Hebrews 4:12-13
12 For the word of God is living and active. Sharper than any double-edged sword,
it penetrates even to dividing soul and spirit, joints and marrow; it judges the thoughts and attitudes of the heart. 13 Nothing in all creation is hidden from God's sight. Everything is uncovered and laid bare before the eyes of him to whom we must give account.
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And this verse looks suggestive of spirit, soul, body as being different from each other.
1 Thessalonians 5:23 May God himself, the God of peace, sanctify you through and through.
May your whole spirit, soul and body be kept blameless at the coming of our Lord Jesus Christ.