Here is my version of the Madrid Metro stops in English (One metro line at a time).
Line 1.
Congosto = ?
Villa de Vallecas = Vallecas Village
Sierra de Gudalupe = Guadalupe Sierra
Miguel Hernandez = Mikey H.
Alto de Arenal = Sandy Heights
Buenos Aires = Good Airs
Portazgo = Gate related?
Nuevo Numancia = New Numancia
Puente de Vallecas = Vallecas bridge
Pacifico = Pacific
Menendaz Pelayo = Meny P.
Atocha Renfe =
Atocha =
Anton Martin = Tony Martin
Tirso de Molina = Molina's Tirso?
Sol = Sun
Gran Via = Big way
Tribunal = Court
Bilbao =
Iglesia = Church
Rios Rosas = Pink Rivers
Cuatro Caminos = Four Paths
Alverado =
Estrecho = Straits
Tetuan =
Valdeacederas =
Plaza de Catilla = Castile Square