The word "controls a system disinvolvement" may seem like an intimidating mouthful to spell. However, understanding the phonetic transcription can help. The word is pronounced as /kənˈtroʊlz ə ˈsɪs təm dɪs ɪnˈvɑlv mənt/. The key to mastering the spelling is breaking it down into its syllables: con-trols-a-sys-tem-dis-in-volve-ment. Each syllable contains predictable letter combinations that can be sounded out. With practice, even complex words like "controls a system disinvolvement" can be spelled with ease.