• xinchona officinalis,
• vinchona officinalis,
• finchona officinalis,
• dinchona officinalis,
• cunchona officinalis,
• cjnchona officinalis,
• cknchona officinalis,
• conchona officinalis,
• c9nchona officinalis,
• c8nchona officinalis,
• cibchona officinalis,
• cimchona officinalis,
• cijchona officinalis,
• cihchona officinalis,
• cinxhona officinalis,
• cinvhona officinalis,
• cinfhona officinalis,
• cindhona officinalis,
• cincgona officinalis,
• cincbona officinalis

The adjective form of "cinchona officinalis" is "cinchona officinalis". In this case, the name of the plant is already in a Latin binomial format, which acts as both the genus and species name.

The plural form of "Cinchona Officinalis" is "Cinchona Officinalis." This is because it is a scientific name and typically remains the same in both singular and plural forms.

The singular form of the word "Cinchona Officinalis" is "Cinchona Officinalis". Both the singular and plural forms of this scientific name remain the same.