Hamper
tar
drum starts t has 5 letters
Rhea is a bird. It is 4 letters and starts with the letter R.
aqua
Articuno starts with an "a" meaning beginning. Moltres starts with "m" meaning middle because there are 26 letters in the alphabet, and "m" is the thirteenth letter of the alphabet. 13 is half of 26. Zapdos starts with a "z" meaning end because "z" is the last letter of the alphabet. Also theory says that since the 3 legendary birds are from Kanto, the first region, meaning the begining of the series, they used the alphabet to represent the birds' names because there are 26 letters in the alphabet, meaning there will be 26 years of making Pokémon, meaning 6 more years of Pokémon. (Made in 2016.)
Aye is a word whose meaning is similar to that of 'yes', and that starts with the letters 'ay-',
action
Another name for malaria that starts with an A and has 4 letters is ague.
Agreement.
Hinder
hamper
random
wear out
Strange
deserted?
Single
Accusation