“Spirits / Soul” in Japanese is 霊, read rei, ryou, tama (れい, りょう, たま). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 霊魂 (soul).
What does 霊 mean?
Same sound, different character — the classic trap. Compare them side by side: