What are five words that use the Greek stem 'neo-'?

Answer 1

The Greek stem 'neo-' means 'new'. An English derivative is neolith, The English noun refers to a polished stone implement from the late Stone Age. The use of such a tool is characteristic of peoples living in Europe and West Asia, about 6,000-3,000 B.C.E. The English word comes from the Greek prefix 'neo-' for 'new' and the Greek noun 'lithos' for 'stone'.

Another English derivative is neon. The English noun refers to the gas that gives off an orange red light. It comes from the Greek 'neos' for 'new'.

And another also is neophobia. The English noun refers to a fear of new places or things. It comes from the Greek prefix 'neo-' for 'new' and the Greek noun 'phobos' for 'fear'.

Still another is neophyte. The English noun may refer to a beginner, a new religious convert or convent member, or a newly ordained priest. It comes from the Greek 'neophytos' for 'recently planted'.

Yet another is neoplasm. The English noun refers to new, excess tissue growth in animals and plants. That growth may be benign or malignant. It comes from the Greek prefix 'neo-' for 'new' and the Greek noun 'plasma' for 'formation'.

Answer 2

neon (the chemical element)

Neoprene (material)

neonate (new born) and neonatal

neoplasm (new growth, ie cancer)

neo-nazis, neo-colonialism, neoplatonic, neoclassic, etc. etc.