O que e plural de guardiao​

1 plural of tomato = tomatoes
2 plural of man = men
3 plural of sister = sisters
4 plural of boy = boys
5 plural of hat = hats
6 plural of box = boxes
7 plural of girl = girls
8 plural of student = students
9 plural of church = churches
10 plural of child = children
11 plural of lady = ladies
12 plural of day = days
13 plural of chair = chairs
14 plural of cat = cats
15 singular of eggs = egg
16 singular oh shirts = shirt
17 singular of classes = class
18 feminine of father = mother
19 singular of babies = baby
20 singular of buses = bus
21 masculine of sister = brother
22 feminine of man = woman
23 singular of tables = table
24 feminine of son = daughter
25 masculine of girl = boy
26 masculine of wife = husband