1. to distinguish
It's impossible to distinguish (between) them.
How to distinguish you from your brother?
They look so similar it's often difficult to distinguish one from the other.
2. difference
Scant difference.
The principle difference between lettering and typography is that typography is based on fonts, which are static letterforms, and letter shapes formed by lettering are fluid and malleable.
If you have a complaint let me hear it. There's a difference between superficial obedience and honest loyalty you know.
For delayed flights, seasonal adjustments are made on the basis of the original flight date and so refunds of air-mile difference will not be made.
Everyone can make a difference in their own lives and thereby collectively make the world a better place for themselves and others around them.
They believed that this time must be different; that their voice could be that difference.
The difference between a strictly quasilinear function and a quasilinear function is that, in the second case, the finite difference between two random points may be equal to zero.
The chicks hatched in April have also become 5 months old. Their bodies are about the same size as their parents, about the only difference is that the roosters have smaller crests than their father.
These two have completely different patterning but no difference is seen in their internal morphology so it seems that they are considered the same.
I doubt if a single individual could be found from the whole of mankind free from some form of insanity. The only difference is one of degree.
She got herself through college telling people their fortunes as a phony psychic. She didn't even have a proper Tarot deck, but her clients didn't know the difference.
By averaging the squared difference between each value and the mean and finding the square root of the result, we can find the standard deviation.
Thales said there was no difference between life and death. "Why, then," said some one to him, "do not you die?" "Because," said he, "it does make no difference."
3. differentiation