I myself personally call this ' language interference ' :P. When you want to remember an English word, you are in the French language or Spanish thinking pattern
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. It causes all sorts of unnecessary mix-up :P.
How to overcome this, through hard memory by thinking of it day and night is sure a non-starter I believe and it will sure bore you down and make you lose passion on the language. There is a way, try to speak it out loud what you've just come across, speak what a native speaker speak, and try to go along with every nuance in their speech ... be it the accent, and style of stressing on certain words. This enhances your ability to remember single word easily as this is the audio part of the NLP.
Another method is through in-depth discussion, bring it out in englishforums, with more participants involved in what you are trying to remember, the time you remember them you can remember your ' word ' better
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. An association of word with the participants I would say