According to Strongs H3050, there are 48 occurrences in the Hebrew Bible where God's name is rendered as יָהּ (Yah). Most of these are found in the Psalms. This suggests it is a poetic form. ...
Hosea 1:9 וַיֹּ֕אמֶר קְרָ֥א שְׁמ֖וֹ לֹ֣א עַמִּ֑י כִּ֤י אַתֶּם֙ לֹ֣א עַמִּ֔י וְאָנֹכִ֖י לֹֽא־אֶהְיֶ֥ה לָכֶֽם׃ And the LORD said, “Call his name Not My People, for you are not my people, and I am ...