BABBLING scores 15 points (base, without multipliers).
15
Points
verb
1
To utter words indistinctly or unintelligibly; to utter inarticulate sounds
The men were babbling, so we couldn't make sense of anything.
2
To talk incoherently; to utter meaningless words.
3
To talk too much; to chatter; to prattle.
4
To make a continuous murmuring noise, like shallow water running over stones.
Hounds are said to babble, or to be babbling, when they are too noisy after having found a good scent.
noun
1
A stage in child language acquisition, during which an infant appears to be experimenting with uttering sounds of language, but not yet producing any recognizable words
2
Sounds produced by infant during the babbling period