Python (the snake; doesn’t show up at all for me in Google’s “All” results).

Swift (the bird; Google eventually gives me https://www.merriam-webster.com/dictionary/swift, but that page thinks it’s more common as a name of a lizard than as the name of a bird, so Google’s small preview says “Definition of swift · 1 : any of several lizards (especially of the genus Sceloporus) that run swiftly · 2 : a reel for winding yarn…”)

C and R turn up top results with the single letter, D works if you add "language", F is more niche but not hard with some Google Fu, same with the other examples. Not everything is easy to Google, but I find those to be very niche or technical topics, e.g. a random linker error that has many other similar terms with another set of related errors.

io-lang