Augie is an adorable and, at this point, fresher sounding short form than Gus of the rising August and all its variations, from Augustine to Augustus. The Adventures of Augie March is a 1953 novel by Nobel winner Saul Bellow.

Diesel, which you can think of as a word name for the fuel or as a German surname that derives from a pet form of Matthew or Mathias, is a new entry to the American name lexicon thanks to celebrities Jennie Finch and Casey Daigle, who chose it for their son, baby brother of Ace. Diesel might also be thought of as one of the neo-macho names, joining such bros as Harley, Ranger, and Breaker.

Milla originated as a diminutive of names like Camilla and Ludmilla, but has since become well established as a name in its own right in several European countries. Milla Jovovich is a Ukrainian-born actress and supermodel, while Milla is also used for a character in the novel and musical adaptation, Wicked.

Rafa is an adorable short form introduced to the world by actors Rose Byrne and Bobby Cannavale, who used the name for their second son. Rafael is the Latin cognate of the Hebrew boys' name Raphael, but you don't need to be a Rafael to be a Rafa.

All s-ending names are fashionable right now, and Azarius has a handsome sound. With Azariah confidently in the Top 1000, and variations Azaire and Azair having small moments of their own, Azarius might be next.

Ollie is used less often as a nickname for the mega-popular Olivia or the stylish Olive than Ellie is for Eleanor or Allie for Allison. That may be because Ollie has a much longer use as a nickname for boys.

The unusual and intriguing Tullia has been used since Roman times and may appeal to parents who like Tallulah, Julia, and Lillia but want something that's very rarely heard.

Parents who love the great English novelist Jane Austen may choose this spelling of the popular name Austin to honor the author of Emma and Pride and Prejudice.

Vince is not a short form that often stands alone on the birth certificate, the way Jack or even Joe does, but it has certain credibility as the name always used for football great Vince Lombardi. And as a diminutive for Vincent, it's a far sight better than Vinnie or Vinny or even Vin.

An attractive and intriguing choice with an appealing blend of gentle and sharper sounds, Kasia is a diminutive of Katarzyna, the Polish form of Katherine. Ultimately from Greek, it is generally interpreted to mean "pure".

A traditional name still used in Orthodox families. Rivka is the original form of Rebekah or Rebecca, today used far more widely than the original. Rifka is a variation.

Has a sharp investigative quality that's not a bad thing to impart to a child.

This variation of Michael is very popular in Iceland and Puerto Rico, but has only made the cut for the US Top 1000 two separate years —2016 and 2023. Angel-esque boy names ending in L trended upwards last year, meaning we may see some more little Mikaels around soon.

Nela is a pretty if slight name that ranks among the Top 1000 for girls in the UK. It is commonly used throughout Europe as a short form for any range of names ending in -nela including Cornelia and Fenella, though it is widely used on its own.

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

More often spelled Nika, this is a well-used diminutive for the Eastern European Veronika, and there's no reason that the same principle can't apply in the West. It makes a venerated saint's name sound fresh and cute.

As the common short form of Zachary or, more unusually, Zachariah, Zack is less intuitive than Zach or Zac in terms of spelling but clearer in terms of pronunciations. Maybe because it rhymes with Jack and Mack, it also feels more complete as a name. Some people also use Zack and brothers as a short form of Isaac.

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.

The beguiling Darya is the name of a character in Tolstoy's Anna Karenina. As a Russian name, it's a spelling variation of Daria, while in Iran, it's a girl's name that means "the sea".

Charli may be the new Charlie, which is the cooler Charlotte. British singer-songwriter Charli (born Charlotte) XCX, creator of the hit album Brat, and TikTok star Charli D'Amelio popularized the Charli spelling.