No i dont think that its true, because they are two very characters. and i have read the whole play and i would say they are nowhere interchangeable characters.
Explanation:Although Helena and Hermia's names are similar yet they could never be interchanged with each other as Shakespeare has portrayed both of them with very contrasting features and in a very different light not mere in their appearances but also their conduct. They both are friends, eager to endanger their honor for their love but despite these similarities, they are poles apart in their approaches to get their true love. <em>Hermia is strong-willed and determined enough to leave anything for her love while Helena seems a bit suspicious of her acts</em> as she is not sure of Demetrius' love for her. Hermia is composed and valorous on the other hand Helena seems to be hesitant and unsure of her actions which leads to her failure in love. So, it could be concluded as that they both seem interchangeable in the beginning but towards the end, they are standing on different surfaces.
