pheno-

• phen- (before a vowel)
• phaeno-, phæno-

1. From Ancient Greek φαίνω (phaínō, “to bring to light, make appear; to come to light, appear”). Compare -phan in such words as tryptophan.
2. From phenyl +‎ -o-.

• (Received Pronunciation) IPA^(key): /ˈfiː.nəʊ/, /ˈfɛn.əʊ/
• (General American) enPR: fē′nō, fen′ō, fē′nə; IPA^(key): /ˈfiː.noʊ/, /ˈfɛn.oʊ/, /ˈfiː.nə/

pheno-

1. Showing.

   phenotype

2. (organic chemistry) Derived from benzene or containing phenyl.

   phenol, phenobarbital

• “pheno-”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “phen-”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

• 'phone, -phone, nepho-, pheon, phone