Fill them up vs Load

When to use each in English, with meaning, register, and examples.

Fill them up

Top 2,000 (common)

Load

Top 1,000 (very common)B2noun
Most common: Load
 Fill them upLoad
Pronunciation🇬🇧 //fɪl ðɛm ʌp//🇺🇸 //fɪl ðɛm ʌp//🇬🇧 /["/ləʊd/"]/🇺🇸 /["/ləʊd/"]/
MeaningMake something full, especially with a liquid.To put something heavy onto something, like a truck.
ExamplePlease fill them up with water before the party starts.The truck can carry a heavy load of equipment for the construction site.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR level-B2
Part of speechnoun
Collocationsfill them up with water, fill them up to the brim, fill them up completelyheavy, light, full, bear, carry, shoulder, under its, etc. load, heavy, light, full, bear, carry, shoulder, under its, etc. load, heavy, light, full, bear, carry, shoulder, under its, etc. load
Antonyms-unload, empty
Common mistakesOmitting 'up' (e.g., saying 'fill them' instead of 'fill them up')., Using it with non-containers (e.g., 'fill them up' for ideas instead of physical objects).'Loaded' confused with 'load' when speaking., 'Load' used without an object (e.g., 'I will load' instead of 'I will load the truck')., 'Load' misused in non-physical contexts, like emotions.
Usage notesUsed for actions involving containers or spaces. Common in everyday conversation, less formal than 'fill to capacity'.Use 'load' when referring to putting items on vehicles or carrying heavy things. Avoid in very formal writing; instead, use 'cargo' or 'shipment'.

See it in real clips

Fill them up
Load

Frequently asked questions: Fill them up vs Load

What's the difference between Fill them up and Load?

Fill them up: Make something full, especially with a liquid. Load: To put something heavy onto something, like a truck.

Which is more common: Fill them up and Load?

Load is the most common in everyday English.

Can you show an example of each?

Fill them up: Please fill them up with water before the party starts. Load: The truck can carry a heavy load of equipment for the construction site.

Can I use Fill them up and Load interchangeably?

Not always. Fill them up and Load are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

Related comparisons