dschmueck's list "Number Two" of 4 great name ideas: Eon - Rainier!

Number Two

Eon is a concise masculine name with ancient Greek origins, derived from the word 'aiōn' meaning 'life force,' 'vital energy,' or 'eternity.' In scientific contexts, an eon represents a billion years, giving the name connotations of timelessness and endurance. Throughout history, the name has maintained a steady but uncommon presence across cultures. In Korean contexts, Eon has different origins and meanings. The name appeals to parents seeking a short, powerful name with philosophical depth. Its brevity makes it distinctive in Western naming traditions, while its cross-cultural adaptability and profound meaning related to time and existence give it intellectual appeal.

Joachim is an undiscovered biblical name with potential, although most modern parents would probably prefer the more lively Spanish version, Joaquin. Like many Old Testament names, it was primarily in use in the seventeenth century, and then became rare. In the Bible Joachim is a king of Judah; according to the Gospel of James, Saint Joachim was the husband of Saint Anne and the father of the Virgin Mary.
 br/>Currently well-used in France, the name Joachim is known in countries and languages around the world and pronounced somewhat differently in each. While American might be most familiar with the Spanish version of the name, Joaquin via actor Joaquin Phoenix, that pronunciation wah-keen is not similar to any of the pronunciations of Joachim, which all have three syllables often with the emphasis on the second.

Joachim

Almanzo

A royal, European name, and a relation of Rayner and Ragnar, Rainier is also associated with the majestic mountain in Washington state. Traditionally pronounced as REH-NYEH in French and as ray-NEER in American English, this name also coincides with a word indicating increasingly wet weather. 
 
Given to 35 boys in the US in recent year, it ranked slightly above Rayner but below Ragnar.

Number Two

The names

Eon

Joachim

Almanzo

Rainier