Igualmente because If u translate it “mucho gusto” is basically “nice to meet you” and “igualmente” means “you too” or in this case “nice to meet you too” which makes sense.
The answer would be , morder
To make a word in Spanish plural, it's quite similar to English where you will add s, es, etc to the end to indicate there are multiple of something.
10 words for examples as requested: plumas, libros, camisetas, escritorios, lápices (plural of lápiz), manos, pollos, sombreros, camisas, pantallas.
If you want to say the (word), add el/la depending on the word's gender.
