נִחוּםnichûwm

properly, consoled; abstractly, solace

Pronunciation: nee-khoom' · Hebrew/Aramaic (Old Testament) · H5150

Meanings

1. comfort (Isaiah 57:18; Zechariah 1:13)

2. compassion (Hosea 11:8)

Same root

נָחַםnâcham · H5162properly, to sigh, i.e. breathe strongly; by implication, to be sorry, i.e. (in a favorable sense) to pity, console or (reflexively) rue; or (unfavorably) to avenge (oneself)

Where it appears

Appears 3 times in the Bible.

Isaiah 57:18 I have seen what they do, but I will heal them anyway! I will lead them. I will comfort those who mourn,
Hosea 11:8 “Oh, how can I give you up, Israel? How can I let you go? How can I destroy you like Admah or demolish you like Zeboiim? My heart is torn within me, and my compassion overflows.
Zechariah 1:13 And the Lord spoke kind and comforting words to the angel who talked with me.

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).