> as lemmas
protophosphide
protophosphide n.
Brit. 
/ˌprəʊtə(ʊ)ˈfɒsfʌɪd/
, /ˌprəʊtə(ʊ)ˈfɒsfʌɪd/U.S. /ˌproʊdoʊˈfɑsˌfaɪd/
now disused/ˌproʊdoʊˈfɑsˌfaɪd/ΚΠ
1909 N.E.D. at Proto- Protophosphide.
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as lemmas
- orthopercussion
- orthophonic
- orthophony
- orthophoria
- orthophoric
- orthophosphate
- orthophosphates
- orthophosphoric
- orthophosphoric acid
- orthophoto
- orthophotograph
- orthophotomap
- orthophyre
- orthophyric
- orthopinacoid
- orthopinacoidal
- orthoplastic
- orthoplasy
- orthoploid
- orthoplumbate
- orthopnea
- orthopneic
- orthopnic
- orthopnoea
- orthopnoeic