Avi, the short form of many Hebrew names, is often used on its own in Israel. It entered the US Top 1000 for the first time in 2015.

Often stands alone in Israel, but rarely here.

Ron is a masculine name that functions both as a standalone name and as a shortened form of longer names like Ronald, Aaron, or Byron. Ronald, its most common source, derives from the Old Norse 'Rögnvaldr,' meaning 'ruler's advisor' or 'decision maker.'

While traditionally pronounced as a homonym for Lee, Glee actress Lea Michele pronounces her name like Leah, and it may also rhyme with Freya. Regardless of your preferred pronunciation, it's interesting to note that Lea has always charted in the US Top 1000, despite coming close to the bottom a few times, making it one of the girl names starting with L that both fits in and stands out.

Friendly but substantial.

Though most Mels are playing pinochle with Murray and Morris, there was a notable Saint Mel. He is one of the earliest Irish saints, a nephew of St. Patrick. He became a priest, then built a great monastery where he served as abbot.

The sidekick in almost every movie or TV show with an Italo-American setting, this once common name has now fallen onto the endangered list, given to fewer than 50 baby boys each year.

Guns 'n' Roses musician Axl (born William) Rose created this name by dropping a vowel, a la Barbra Streisand. The traditional Axel is more popular, though celebrity parents Fergie and Josh Duhamel deliberately chose the Axl spelling to honor her rock hero.

Extremely popular in Wales, where it began as a nickname for someone with fair hair or a fair face, this bright and simple name is a winner by its very nature. Can also be spelled Wynn, Winn or the very literal Win.

Luc is the sleeker Gallic cousin of Luke, and if you want to know the difference between their pronunciations, just watch Kevin Kline's hilarious description in the film French Kiss. Peter Gabriel and Sean Patrick Thomas picked this version for their sons.

One of the most familiar, and assertive, names found throughout the Middle East and India, Ram has an assertive and solid air about it. Derived from a number of different origins, in English speaking countries, it may also be considered a word name, associated with a horned male sheep — or a form of computer memory.

One of the sweet simple unisex names balanced enough to stand on its own.

As Theo and Thea get more popular, so do Teo and Tea, short forms of the Latinate variations of Theodore and Matthew -- which include Dorotea and Mattea. But like Theo and Thea, Tea can stand perfectly well on its own and blends seamlessly into any Anglophone or European culture, if that is your aim. Some may argue that the Tea version is the prettiest and it's certainly the sleekest.

Win is an upbeat, can-do name that can be a short form of one of the buttoned-up British choices above or can stand on its own. Welsh Wyn is another possibility.

Rey, a Ray-soundalike that has ranked on the boys' side for the past 15 years, is about to get more popular for girls too, now that it's the name of the new heroine of the latest Star Wars movie. While the sound of the name is nothing new, the royal connection is, joining names such as Reign (Kardashian) and Charlotte (the new Princess) in an expansive definition of royal baby names.

This short-but-strong name is popular for boys in The Netherlands. While Cass is usually a female name in the U.S., it feels just as right for boys.

Pronounced zheel, it's a dashing conquistador; as gill, it's the nice and slightly boring guy down the street.

This zippy short form of Zachary is more and more often standing on its own -- sometimes as Zac, Zach, Zack, or even Zakk -- but this simple-yet-straightforward version may be the very best.

With the rising popularity of Kai, this more phonetic spelling has been gaining traction as well. Kye debuted in the US Top 1000 in 2015, and was one of the fastest-rising names of the year in 2016.