Leviticus 23:3 defines the weekly Sabbath rest that 23:38 distinguishes from the annual feasts — the foundational holy convocation.

Leviticus 7:16 discusses freewill and vow offerings, directly paralleling the same types listed here in Leviticus.

Leviticus 19:3 commands keeping the Sabbaths as part of reverencing God and parents, reinforcing the Sabbath's distinct role in 23:38.

Genesis 2:2 records God resting on the seventh day, establishing the creation basis for the Sabbath distinguished in 23:38.

Genesis 2:3 shows God blessing and sanctifying the seventh day, the origin of the holy Sabbath mentioned in 23:38.

Exodus 20:8-11 gives the Decalogue command to keep the Sabbath holy, the same weekly rest that 23:38 separates from feast offerings.

Numbers 29:39 uses matching language for feast offerings and voluntary gifts, directly paralleling the categories in 23:38.

In 2 Chronicles 35:8, officials give a voluntary (freewill) offering for Passover, directly illustrating the freewill offerings mentioned here.

Ezra 2:68 records heads of families giving freewill offerings for the temple, a specific example of the freewill offerings listed here.

Ezra 2:69 continues with freewill offerings given according to ability, matching the category of freewill offerings in this verse.

2 Chronicles 29:31 shows the assembly bringing freewill offerings after Hezekiah's reform, illustrating this category.

2 Chronicles 31:14 appoints Kore in charge of freewill offerings, directly referencing the type mentioned here.

Ezekiel 46:12 describes the prince's freewill offering, matching the freewill offering category in this verse.

Deuteronomy 12:6 lists votive and freewill offerings, the same voluntary gifts that 23:38 mentions alongside the appointed feasts.

1 Chronicles 29:3-8 depicts freewill offerings for the temple, illustrating the voluntary gifts that 23:38 distinguishes from feast offerings.