el recuerdo (noun)

Frequency star
  1. memory, recollection
  2. souvenir, keepsake

See also recordar.

⚠️ False friend: looks like the English word "record" but usually means "memory" or "souvenir," not a data record or musical recording.

No cuántos tentáculos tiene el pulpo.

I can't remember how many tentacles octopuses have.

Ese nombre me suena a algo, pero no de dónde.

That name rings a bell, but I can't remember from where.