As nouns the difference between tiddler and toddler
is that tiddler is a small person while toddler is a young human being who has started walking but not fully mastered it, typically two to three years old.
tiddler
English
Noun
(
en noun)
A small person
(British, informal) A small fish, especially a stickleback
See also
* lilliputian
* munchkin
toddler
Noun
(
en noun)
A young human being who has started walking but not fully mastered it, typically two to three years old.