この２つは模様が全然違うのだが、内部形態に差が見られず同一とみなされているようです。の英語

These two have completely different patterning but no difference is seen in their internal morphology so it seems that they are considered the same.

They agree in appearance, but differ in disposition.

to be separate as a result of having been cut off from something else

The names of these are similar, but the contents are different.

There is no superficial difference between them.

There is no surface difference between them.

Even if it is used in the same pattern, a difference occurs.

Those look like different parts in your picture.

Despite of their unlikeness they are surely brothers-german.

The two differ in kind, not in degree.

They are different in degree but not in kind.

There are no differences between those on the surface.

a state of having difficulty in finding the difference between two similar things

something that stands out conspicuously from among many similar things

These are very similar, with one important difference.

an allele that produces the same phenotype whether its paired allele is identical or different

There isn't much of a difference in the appearance between those.

a container with lids on both ends

of something, being different upon closer examination, but appearing identical when viewed as a whole

Just as one gesture can have many different meanings, many different gestures can have the same meaning.

As one gesture can have many different meanings, so many different gestures can have the same meaning.

So bats carved into the same shape don't necessarily weigh the same.

Due to their different ways of thinking, they have yet to unify their opinions.

being unable to recognize any particular differences or changes from a previous state

ensure the same mistake won't happen again

some third thing similar to two opposites but distinct from both

It is not easy for them to become friends because they are completely different in every way.

Even if you use it in the same pattern, you can get a different result.

In this diverse community, a sense of unlikeness is quite natural.

a row of houses built in a similar style and having common dividing walls (or the street on which they face)