capitalization of “Fig.” or “fig.”
hyphenization of words such as “oxy-muriatic”
“glauber salt” and “Glauber’s salt” both occur
Variant forms:
opake, opaque
aëriform, aeriform
gasses, gases
phosphoret, phosphuret (but always carburet)
Libya, Lybia
dy(e)ing (from “dye”)