• resp,
• uesr,
• esd,
• esai,
• espn,
• esc,
• fsp,
• respo,
• emp,
• esp,
• lsp,
• eqip,
• eso,
• eep,
• elp,
• esme,
• uesd,
• pespi,
• ecpi,
• usp

• ESPE,
• escape,
• e's,
• esop,
• -est,
• tsp.,
• espy,
• espey,
• espoo.

The adjective form of the word "ESP" is "extrasensory".

The plural form of "ESP" is still "ESP" as it is an acronym that stands for "Extra Sensory Perception." Acronyms do not typically change form in the plural.

The singular form of the word "ESP" is "extrasensory perception"