The Greek root word petr- means stone or rock. Some examples of use of this root include:
The Greek syllable 'phot-' is the root of the Greek noun phos. The root word 'phos' is Greek for 'light' in English. The root word copia is Latin for 'abundance' in English. The English derivative is 'copy'.
The syllable 'tox-' is a Greek root. It means arrangement. An English derivative is the word 'taxonomy', which means 'the arrangement of names'.
The prefix 'lith-' is a Greek root syllable that means 'stone'. A Greek derivative is the noun 'lithos', which means 'stone'. English derivatives include the adjective 'lithic', which means 'of or relating to stone'; and the verb 'lithify', which means 'to turn to stone'. Additionally, the term for the crust or outer part of our planet Earth is an English derivative of the Greek root. The noun 'lithosphere' results from the combination of the Greek words for 'stone' and 'sphere'.
The syllable 'tot-' is a Latin root. It may be connected with the adjective 'tot', which means 'so many'. It comes from the Greek root syllable hol-. A Greek language word that derives from this Greek root is 'holos', which means 'the whole'.
To say is the English equivalent of the Latin root syllable 'dic-'. That syllable is the source for the Latin infinitive 'dicere', which means 'to say'. Both the Latin root and the Latin infinitive, by way of its older first person present indicative form 'deico', are related to the original Greek 'deiknymi'.
The Greek root crypt means "hidden" in English.
Some words related to the Greek root "enn" include "ennui" which means a feeling of listlessness and dissatisfaction arising from a lack of excitement, and "ennoble" which means to elevate in rank, dignity, or excellence.
"The best" is the English equivalent of the Greek root "aristo-." An English derivative that comes from that Greek root is "aristocracy." The English noun refers to "government by those persons best qualified to govern."
rock
Sound
"Nerve" is an English equivalent of the Greek root word neur-. The root word also may be written as neuro-, with the respective forms νεῦρ and νεῦρο in Greek letters. The respective pronunciations will be "NEY-oor" and "NEY-oo-ro" in Aeginan Greek.
Pulchritudinous. From the Greek root pulcher, meaning beauty. Also pulchritude.