• apendex,
• spandix,
• spnadex,
• spanded,
• spands,
• spandax,
• pandex,
• spendex,
• spendes,
• espardet,
• saniex,
• sapandus,
• spandez,
• spandec,
• spandes,
• spandexz,
• spadex,
• spanndex,
• spandexx,
• spandrel

• spindle,
• spondee,
• spandrel,
• spandril,
• spin-dry,
• spinet,
• spindel,
• spend,
• spent,
• spandau,
• spender.

The adjective form of the word "spandex" is "spandexed".

The plural form of "spandex" is also "spandex." It is an uncountable noun and does not typically change in the plural.

The singular form of the word "spandex" is "spandex". The word remains the same in both singular and plural form.