alike
If two or more things or people are alike, they are similar in some way.
They all looked alike to me.
Be careful
Don't use ‘alike’ in front of a noun. Don't say, for example, ‘They wore alike hats’. You say ‘They wore similar hats’.
Don't use ‘alike’ in front of a noun. Don't say, for example, ‘They wore alike hats’. You say ‘They wore similar hats’.
The two companies sell similar products.