Adjektive

higher [ higher ; highest ]
highest [ higher ; highest ]
supreme [ more supreme ; most supreme]
upper {most}
louder [ louder ; loudest ]
paramount [ more paramount ; most paramount]
loudest [ louder ; loudest ]
loftiest [ loftier ; loftiest ]

...

head {most}

Adverb

upper {most}

Noun

upside [pl. upsides]

Verb

to tower [ towered ; towered ]
to climb {sport}
أَعْلَى {رياضة}
to elevate [ elevated ; elevated ]