infrared light vs actinic ray

infrared light and actinic ray both are nouns.

Word	Noun	Adjective	Verb	Adverb
infrared light	Yes	No	No	No
actinic ray	Yes	No	No	No

As nouns, actinic ray is a hypernym of infrared light; that is, actinic ray is a word with a broader meaning than infrared light:

infrared light: electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
actinic ray: electromagnetic radiation that can produce photochemical reactions

Other hypernyms of infrared light include actinic radiation.

infrared light (noun)	actinic ray (noun)
electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves	electromagnetic radiation that can produce photochemical reactions