The Spanish word 'florecita' meaning 'little flower' is formed from two parts: the Spanish word 'flor' (meaning 'flower') and the diminutive suffix '-ecita'. The base word 'flor' comes from Latin 'flos', which also meant 'flower'. The diminutive suffix '-ecita' is added to make the word mean 'little flower' and often carries connotations of endearment or cuteness in Spanish.

The most obvious related Spanish word is 'flor' meaning 'flower', which is the base word of 'florecita'. Other common related words include 'floral' (relating to flowers), 'florería' (flower shop), and 'florista' (florist). All these words share the same Latin root 'flos' and maintain their connection to the concept of flowers.

Several English words are related to 'florecita' through the shared Latin ancestor 'flos'. These include 'floral', 'florist', 'floriculture', and 'flourish' (which originally meant 'to flower' before extending to mean 'thrive'). The word 'flower' itself, while related, came to English through a different path via Old French 'flour'.