For pre-trained monolingual word embeddings, we use fastText Wikipedia embeddings
You can download the English (en) and Spanish (es) embeddings this way:
# English fastText Wikipedia embeddings
curl -Lo fasttext/wiki.en.vec https://dl.fbaipublicfiles.com/fasttext/vectors-wiki/wiki.en.vec
# Spanish fastText Wikipedia embeddings
curl -Lo fasttext/wiki.es.vec https://dl.fbaipublicfiles.com/fasttext/vectors-wiki/wiki.es.vec