I need a screen cap of a Googlewhack. A phrase that just hap to have just one gap. The Egyptians died as they could not hide, When the famine flies and the plant life dies. In seventy four there appeared some more. Even clothes some wore they had ate and tore. Now the second bit doesn't help a whit. You'd better stop it as the act's not fit. To estimate it is a bad habit. You had best be quit is my solemn writ. The first is unique and it's from old Greek. The second complete in a lingual feat. An answer with text I strongly reject. A picture suffice from any device.
The fist word is indicated by the 2nd-3rd stanzas and the 1st line of the 6th, and second word is indicated by the 4th-5th stanzas and the 2nd line of the 6th. I'll add more hints as time passes if needed. :-)
The first word is not a common word, but is commonly used in certain circles, and it's actually Latin with ancient Greek origins.
The third stanza is talking about an event in 1874, not 1974.
The second word is a VERY long word (a "lingual feat") that is not commonly used, but you can find it. Its definition is contained in the riddle.
The first word is not a word you would know offhand, unless it's your field of study (or you've read the right article) but you can easily find it with a Google search.