Modeling and modelling cover the same ground: posing professionally for fashion, art, or advertising, and building a representation or simulation of something, such as with 3D software. Modeling is the American single-L spelling; modelling doubles the L in British English, the same pattern as labelled and travelled.
The core difference
The single-L and double-L spellings are regional variants of the same word.
- modeling — American spelling: The team used 3D modeling to design the new engine part.
- modelling — British spelling: She began her modelling career in London.
How to tell them apart
Both spellings carry the word's two main senses: the profession of posing for photographs or artwork, and the technical process of creating a model or simulation of something, from a fashion shoot to a piece of engineering.
The mix-up is common in fashion, engineering, and academic writing that crosses between US and UK publications. Because the difference is only the doubled consonant, it is easy for a spell-checker set to the wrong region to silently flip one spelling into the other, so checking your document's language setting before a final proofread is worth the minute it takes.
