רִבּוֹribbôw

ten thousand, myriad, of person, of things (Ezra 2:64; 1 Chronicles 29:7; Jonah 4:11; Hosea 8:12; Nehemiah 7:66)

Pronunciation: rib-bo' · Hebrew/Aramaic (Old Testament) · H7239

Same root

רָבַבrâbab · H7231properly, to cast together , i.e. increase, especially in number; to multiply by the myriad
רִבּוֹribbôw · H7240{a myriad, i.e. indefinitely, large number}

Where it appears

Appears 10 times in the Bible.

1 Chronicles 29:7 For the construction of the Temple of God, they gave about 188 tons of gold, 10,000 gold coins, 375 tons of silver, 675 tons of bronze, and 3,750 tons of iron.
Ezra 2:64 So a total of 42,360 people returned to Judah,
Ezra 2:69 and each leader gave as much as he could. The total of their gifts came to 61,000 gold coins, 6,250 pounds of silver, and 100 robes for the priests.
Nehemiah 7:66 So a total of 42,360 people returned to Judah,
Nehemiah 7:71 The other leaders gave to the treasury a total of 20,000 gold coins and some 2,750 pounds of silver for the work.
Nehemiah 7:72 The rest of the people gave 20,000 gold coins, about 2,500 pounds of silver, and 67 robes for the priests.

See every passage

1 Chronicles 29:7
Ezra 2:64, 2:69
Nehemiah 7:66, 7:71, 7:72
Psalms 68:17
Daniel 11:12
Jonah 4:11

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).