Yes — "jump" is a Dolch Pre-Primer sight word. It follows regular phonics rules, but it's taught for instant, automatic recognition because it appears so often in early reading.
The frog can jump very high.
"Jump" is a fully regular short-u word with a common ending blend, but as an early action verb it's introduced as a sight word before every consonant blend has been formally taught.
Act the word out — literally jumping when you say it — helps a physical, concrete verb like this one stick fast.
Word Wizard teaches "jump" with Flash Cards, Listen & Pick, Spell It, and Write It — four game modes that turn repetition into play.
See "jump" with its picture, syllables, and example sentence — with native audio.
Hear "jump" spoken aloud and pick it out from similar-looking words.
Build "jump" letter by letter from shuffled tiles.
Word Wizard turns sight word practice into a game — Flash Cards, Listen & Pick, Spell It and Write It, from Pre-K through Grade 5.