to tangle; to get tangled; to get entangled

As 舌が〜, 足が〜, etc.

to have poor control over (one's tongue, feet, etc.); to trip over

to become complicated; to become difficult; to become tricky; to get into a tangle; to become messy

to get entangled (with each other)

to get muddled together

tangle; entanglement; snarl

complication; difficulties; trouble; troubles; snag

to go to the next stage (after failing to reach a conclusion); to be carried over (e.g. to the next meeting); to go into (a run-off, overtime, extra innings, etc.)

to speak unclearly; to speak inarticulately; to pronounce poorly; to slur one's words; to lisp

Physics

quantum entanglement