Names like Klaus include alternative spellings such as Clouse, longer forms like Nicholas, Colin and Nikolai, short forms like Cole, Nilo and Klas, and cross-language cognates including Nicola, Mikolaj and Nikolaos.

Overall

1. Nicola (Nikola, Nikola)
2. Mikolaj
3. Nicholas (Nicolas, Nikolas, Nickolas)
4. Nico (Niko, Neco, Neeko, Nikko, Niko)
5. Nikolaos
6. Niklas
7. Cole (Kole, Kohl, Colle, Coale, Cohl)
8. Nikki (Nicky, Niki, Nicki, Niki, Nicky, Nicki)
9. Niels
10. Nicolae

Longer forms

• Nicholas, Nicolas, Nikolas, Nickolas
• Colin, Kolin
• Nikolai
• Nikki, Nicky, Niki, Nicki
• Nicolo
• Niklas
• Nikos
• Nixon, Nickson
• Niklaus
• Niccolo
• Niels
• Nikolaus
• Miklos
• Nicholai
• Nico, Niko, Neco, Neeko, Nikko

Short forms

• Cole, Kole, Kohl, Colle, Coale, Cohl
• Nilo
• Klas

Related short forms

• Nicci

Cognates

Names with the same meaning but not necessarily in the same language or format

• Nicola, Nikola
• Mikolaj
• Nikolaos
• Nicolae

Alliterative names

Names that start with similar sounds to klaus

• Klaudia

Names with similar tags

Tags include origins, well known people etc

• James
• Paris
• Thierry
• Mina
• Blair
• Caelan
• Angel
• Stevie
• Dennis
• Kay

Names with similar locations

Compares geographical origins and national popularity

• Dora
• Hildegard
• Cade
• Cordelia
• Trey
• Bernice
• Aili
• Nadine
• Kiana
• Samara

Names popular in similar years

Looks for trends from data about name popularity across the decades

• Michael
• Benjamin
• Brandon
• Adam
• Rebecca
• Jonathan
• Rachel
• Anthony
• Laura
• Thomas